Enter your Sign on user name and password.

Forgot password?
  • Follow us on:

In Educator's Life Science series, Nehlia covers important concepts with diagrams and relates abstract ideas to real world examples. Extra examples at the end of each video help viewers practice their new found knowledge. Topics covered include Photosynthesis, Animal Classification, Cell Structures, Genetics, and Ecology. Nehlia McIntyre received her Master's of Education and has been teaching a variety of middle school and high school science courses for over ten years.

Loading video...
expand all   collapse all
I. Classification
  Characteristics of Life 16:39
   Intro 0:00 
   Objectives 0:10 
    Objectives 0:11 
   5 Characteristics of Life 0:27 
    Grow, Reproduce, Adapt, Cells, and Energy 0:28 
   Growth and Development 1:38 
    Growth and Development 1:39 
    Life Span 2:44 
   Reproduction 2:55 
    Reproduction 2:56 
   Adapt and Respond 3:29 
    Adaptation 3:30 
    Organisms Respond to Stimuli 3:54 
    Definition of Stimuli 5:25 
    Homeostasis 5:58 
    Adapt to Environment 7:38 
   Cells 8:09 
    Organisms and Cells 8:10 
    One-celled Organisms and Many-celled Organisms 8:27 
   Energy 10:12 
    Organisms and Energy 10:13 
    Energy Sources 10:39 
   Example 1: Name the 5 Characteristics of Life 12:02 
   Example 2: What is Homeostasis? 12:58 
   Example 3: How Do Living Things Get Energy? 13:52 
   Example 4: Living or Nonliving? 14:24 
  Classifying Living Things 23:05
   Intro 0:00 
   Objectives 0:07 
    Objectives 0:08 
   Taxonomy 0:26 
    Taxonomy 0:27 
    Taxonomist 1:28 
    Carolus Linnaeus 1:47 
   Rules of Taxonomy 2:03 
    Rules of Taxonomy 2:04 
   Kingdoms and Domains 3:17 
    6 Kingdoms 3:53 
    3 Domains 4:13 
   Levels of Taxonomy 5:11 
    Levels of Taxonomy 5:12 
   Naming Organisms 8:40 
    Common Names 8:41 
    Scientific Names 10:03 
   Plants 11:37 
    Plants Overview 11:38 
   Animals 13:50 
    Animals Overview 13:51 
   Fungi 14:50 
    Fungi Overview 14:51 
   Eubacteria/Archaebacteria 15:40 
    Eubacteria/Archaebacteria Overview 15:41 
   Protists 18:49 
    Protists Overview 18:50 
   Example 1: What are the 3 Domains? 20:11 
   Example 2: What are the 6 Kingdoms? 20:56 
   Example 3: What are the Levels of Taxonomy 21:38 
   Example 4: Identifying Kingdom 22:26 
II. Plants
  Plant Classification 24:09
   Intro 0:00 
   Objectives 0:09 
    Objectives 0:10 
   Why Study Plants? 0:33 
    Botany 0:34 
    Usages of Plants 1:15 
   Plant Characteristics 1:56 
    Multicellular 1:57 
    Eukaryotes 2:27 
    Cell Wall 3:18 
    Need Water 4:31 
    Photosynthesis 4:55 
   Plant Origins 6:40 
    Common Ancestor: Green Algae 6:41 
    Adaptations to Land 8:04 
   Plant Classification 10:44 
    Kingdom: Divisions/Phyla 10:45 
    Based on Physical Characteristics 12:07 
    Evolution of Plants 13:10 
   Life Cycles 14:16 
    Annuals 14:17 
    Biennials 14:30 
    Perennials 14:41 
   Nonvascular Plants 15:01 
    Characteristics of Nonvascular Plants 15:02 
   Vascular Plants 18:22 
    Tubes Transport Food and Water in Stem, Leaves, and Roots 18:23 
    3 Types of Vascular Tissue: Xylem 19:19 
    3 Types of Vascular Tissue: Phloem 20:10 
    3 Types of Vascular Tissue: Cambium 20:46 
   Example 1: Identify the Type of Vascular Tissue that Transport Food Throughout the Plant 21:19 
   Example 2: The Plant Kingdom is Classified into Groups Called? 21:56 
   Example 3: Name Two Adaptations that Allow Plants to Survive on Land 22:29 
   Example 4: Name Two Characteristics that All Plants Share 23:15 
  Seedless Plants 25:37
   Intro 0:00 
   Objectives 0:09 
    Objectives 0:10 
   Plant Classification 0:36 
    Vascular and Nonvascular 0:37 
    Vascular-Seed or Seedless 1:44 
    All Nonvascular- Seedless Only 1:54 
   What is a Bryophyte? 2:51 
    Seedless, Nonvascular Plants 2:52 
    Use Spores Instead of Seeds 3:50 
    3 Groups: Mosses, Liverworts, Hornworts 4:44 
   Where do Bryophytes Grow? 4:56 
    Water and Diffusion 4:57 
   Why are Bryophytes Important? 6:36 
    Maintain Healthy Ecology 6:37 
    Soil Builders 7:15 
    Store Water 7:50 
   Mosses 8:38 
    Mosses 8:39 
   Liverworts 10:04 
    Liverworts 10:05 
   Hornworts 11:19 
    Hornworts 11:20 
   What are Pteridophytes? 11:57 
    What are Pteridophytes? 11:58 
   Ferns 13:38 
    Characteristics of Ferns 13:39 
   Club Mosses 16:04 
    Club Mosses 16:05 
   Horsetails 17:39 
    Horsetails 17:40 
   Example 1: Name One Similarity and One Difference Between Bryophytes and Pteridophytes 20:24 
   Example 2: What Does the Fossil Record Tell Us About Seedless Plants Living Millions of Years Ago? 22:49 
   Example 3: How Do Nonvascular Plants Get Water and Nutrients? 23:52 
   Example 4: Identify the Plant in the Pictures Below 24:14 
  Seed Plants 23:30
   Intro 0:00 
   Objectives 0:07 
    Objectives 0:08 
   Seed Plant Characteristics 0:29 
    Seed Plant Characteristics 0:30 
    2 Groups: Non-flowering or Flowering 1:52 
   Leaves 2:18 
    Photosynthesis 2:19 
    Layers of Cells - Epidermis 4:37 
    Waxy Cuticle 6:36 
    Chloroplasts 7:06 
   Leaves 7:57 
    Diagrams: Structures and Functions 7:58 
   Stems 10:00 
    Stems 10:01 
    2 Types: Herbaceous or Woody 10:33 
   Roots 11:13 
    Roots 11:14 
   Gymnosperms 12:55 
    Gymnosperms 12:56 
    Divisions: Conifers 14:02 
    Divisions: Cycads 14:20 
    Divisions: Ginkgoes 14:29 
    Divisions: Gnetophytes 14:37 
   Angiosperms 14:54 
    Angiosperms 14:55 
    Groups: Monocots and Dicots 15:57 
   Example 1: Is an Apple Tree a Gymnosperm or an Angiosperm? 20:26 
   Example 2: Is a Flower with 5 Petals a Monocot or a Dicot? 21:27 
   Example 3: Name Two Root Functions 22:02 
   Example 4: In What Part of the Leaf Does Photosynthesis Occur? 22:48 
  Plant Reproduction 40:40
   Intro 0:00 
   Objectives 0:07 
    Objectives 0:08 
   Life Cycle of Plants 0:36 
    How Does Plant Life Begin? 0:37 
   Asexual Reproduction 2:40 
    Asexual Reproduction 2:41 
   Sexual Reproduction 5:27 
    Fertilization 5:28 
   Spores 8:01 
    Spores 8:02 
   Mosses 9:27 
    Gametophyte Phase 9:28 
    Sporophyte Phase 10:53 
   Ferns 12:34 
    Two-part Life Cycle: First Generation 12:35 
    Two-part Life Cycle: Second Generation 13:18 
   Ferns 14:20 
    Phases of Life Cycle 14:21 
   Conifers and their Cones 16:39 
    Fertilization of Male and Female Cones 16:40 
    Diagram Example 18:24 
   Seeds 19:28 
    Germination & Conditions 19:29 
   Angiosperms 21:46 
    Flowers 21:47 
    Self-pollination 22:30 
    Cross-pollination 22:52 
   Parts of a Flower 23:49 
    Petals 23:50 
    Sepals 24:32 
    Nectary 25:00 
    Stamen & Carpel 25:12 
   Sepals 25:56 
    Sepals 25:57 
   Nectary 27:03 
    Nectary 27:04 
   Male Structures 28:24 
    Stamen Overview 28:25 
    Three Parts of Stamen: Pollen, Anther, and Filament 29:03 
   Female Structures 29:52 
    Carpel 29:53 
    Stigma 30:28 
    Style 30:44 
    Ovary 31:07 
   Pollination Process 31:19 
    Pollination Process 31:20 
    Fertilization 31:57 
    After Fertilization 32:24 
   Example 1: How Can You Grow Plants Without Using Seeds? 33:23 
   Example 2: List Two Ways Seeds are Different from Spores? 34:08 
   Example 3: During Pollination, Pollen Grains are Transferred from Where to Where? 35:25 
   Example 4: Label the Parts of a Flower 37:37 
  Photosynthesis & Respiration 26:20
   Intro 0:00 
   Objectives 0:07 
    Objectives 0:08 
   What do Plants Need? 0:23 
    Water, Sunlight, Oxygen, Carbon Dioxide, and Nutrients 0:24 
    Leaves and Roots 2:17 
   Leaves 4:00 
    Structures and Functions 4:01 
   Stomata 6:11 
    Guard Cells 6:12 
    Open Stomata - Daytime 7:14 
    Closed Stomata - Nighttime 8:12 
   What is Photosynthesis? 9:10 
    Photosynthesis Overview 9:11 
   Respiration 13:21 
    Respiration Overview 13:22 
    Aerobic vs. Anaerobic Respiration 14:33 
   Why is this Important? 16:49 
    Photosynthesis 16:50 
    Respiration 17:20 
   Example 1: Give the Chemical Equations for Photosynthesis and Aerobic Respiration 19:11 
   Example 2: Where do Photosynthesis and Respiration Occur? 21:35 
   Example 3: How do Guard Cells Help Maintain Homeostasis in Plants? 22:28 
   Example 4: Which Arrows Show Respiration? 23:55 
  Plant Responses 17:05
   Intro 0:00 
   Objectives 0:07 
    Objectives 0:08 
   What are Plant Responses? 0:24 
    Behavior 0:25 
    Stimulus: External and Internal 0:59 
   Tropisms 2:40 
    Tropisms 2:41 
    Positive Examples 3:30 
   Plant Hormones 5:07 
    Plant Hormones 5:08 
    Ethylene 5:52 
    Auxin 7:44 
    Gibberellins 8:14 
    Cytokinins 8:23 
    Abscicic Acid 9:11 
   Photoperiods 10:12 
    Photoperiods 10:13 
    Long-day Plants 10:48 
    Short-day Plants 11:32 
    Day-neutral Plants 12:00 
    Diagram: Short-day and Long-day Plants 12:27 
   Example 1: Which Plant Hormone Helps Fruit to Ripen? 13:21 
   Example 2: Which Plant Hormone Keeps Buds from Developing During the Winter? 14:02 
   Example 3: List One Example of an Internal and External Stimulus in Plants 14:52 
   Example 4: Describe What Happened to the Plants in the Picture 15:27 
III. Animals
  Animal Classification 16:27
   Intro 0:00 
   Objectives 0:07 
    Objectives 0:08 
   Common Characteristics 0:25 
    Multicellular 0:39 
    Heterotrophic 1:15 
    Eukaryotic Cells 1:42 
    Sexual Reproduction 2:07 
    Symmetry 2:18 
    Motile 2:35 
   How Animals are Classified? 2:47 
    How Animals are Classified? 2:48 
   Animal Classification 4:05 
    Animal Classification 4:06 
   Invertebrates 5:17 
    Invertebrates 5:18 
   Vertebrates 5:54 
    Vertebrates 5:55 
   Carnivores 7:01 
    Carnivores 7:02 
   Herbivores 8:43 
    Herbivores 8:44 
   Omnivores 10:25 
    Omnivores 10:26 
   Symmetry 10:48 
    Asymmetrical, Radial Symmetry, and Bilateral Symmetry Overview 10:49 
   Radial Symmetry 11:59 
    Radial Symmetry 12:00 
   Bilateral Symmetry 12:51 
    Bilateral Symmetry 12:52 
   Example 1: Animal Classification 13:38 
   Example 2: Name Two Characteristics that All Animals Share? 14:16 
   Example 3: What Type of Symmetry is Shown in the Picture? 14:53 
   Example 4: Label Each Animal as an Invertebrate or a Vertebrate 15:22 
  Invertebrates 8:17
   Intro 0:00 
   Objectives 0:07 
    Objectives 0:08 
   How are Invertebrates Classified? 0:25 
    Invertebrates Classification 0:26 
   Body Structures 1:34 
    Types of Symmetry 1:35 
    Skeleton and Shells 2:36 
   What Role do Invertebrates Play? 3:46 
    Food Source 3:47 
    Pollinators 4:10 
    Recyclers 4:26 
   Example 1: Name the Seven Groups of Invertebrates 4:39 
   Example 2: Name Two Body Structures Commonly Found in Invertebrates 6:23 
   Example 3: What Three Roles Do Invertebrates Play in the Environment? 7:06 
   Example 4: What Type of Skeleton Does This Invertebrate Have? 7:33 
  Sponges 14:39
   Intro 0:00 
   Objectives 0:07 
    Objectives 0:08 
   Characteristics of Sponges 0:22 
    Characteristics of Sponges 0:23 
   How are Sponges Different? 2:20 
    Asymmetrical 2:21 
    Sessile 2:52 
    Hollow Tube 3:27 
    Spicules 4:04 
   What do Sponges Eat? 4:46 
    What do Sponges Eat? 4:47 
   How do Sponges get Oxygen? 5:45 
    How do Sponges get Oxygen? 5:46 
   How do Sponges Help other Marine Animals? 6:44 
    Shelter and Food 6:45 
   How do Sponges Reproduce? 7:23 
    Sexual and Asexual Reproduction 7:24 
    Hermaphrodites 7:38 
   Asexual Reproduction 9:28 
    Asexual Reproduction Overview 9:29 
    Budding 9:42 
    Regeneration 10:04 
   Uses for Sponges 10:48 
    Uses for Sponges 10:49 
   Example 1: Describe How Sponges Reproduce Sexually 11:17 
   Example 2: What is a Hermaphrodite? 12:11 
   Example 3: Why Do You Think that Occurred and How are They Different from Plants? 12:29 
   Example 4: Name the Sharp, Pointed Protective Structures Shown in this Picture 14:07 
  Cnidarians 19:32
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   What are Cnidarians? 0:25 
    What are Cnidarians? 0:26 
   Examples of Cnidarians 3:01 
    Examples of Cnidarians 3:02 
   Common Characteristics 3:40 
    Stingers 3:42 
    Organ and Tissue Level 4:32 
    Two Cell Layers: Ectoderm and Endoderm 5:07 
    Radial Symmetry 6:35 
   Two Body Forms 7:09 
    Two Body Forms Overview 7:10 
    Polyps 7:36 
    Medusa 9:18 
   Jellyfish 10:26 
    Jellyfish 10:27 
   Corals 12:06 
    Corals 12:07 
   Sea Anemones 13:44 
    Sea Anemones 13:45 
   Portuguese man-of-war 15:01 
    Portuguese man-of-war 15:02 
   Hydras 16:08 
    Hydras 16:09 
   Example 1: Name the Two Benefits of Stinging Tentacles for Cnidarians 16:46 
   Example 2: Which Body Form has Tentacles that Point Downward? 17:31 
   Example 3: Name a Type of Cnidarians that Forms Colonies 18:22 
   Example 4: How Does This Animal Reproduce? 18:51 
  Mollusks 17:36
   Intro 0:00 
   Objectives 0:05 
    Objectives 0:06 
   What are Mollusks? 0:20 
    What are Mollusks? 0:21 
   Examples of Mollusks 3:03 
    Examples of Mollusks 3:04 
   Distinguishing Features 3:27 
    Muscular Foot 3:38 
    Mantle 3:59 
    Gills 4:36 
   Classification 6:09 
    Three Major Classes of Mollusks 6:10 
   Gastropods 7:18 
    Gastropods 7:19 
   Bivalves 10:31 
    Bivalves 10:32 
   Cephalopods 11:50 
    Cephalopods 11:51 
   Example 1: What are the Three Main Groups of Mollusks? 14:32 
   Example 2: What is the Function of Gills? 15:27 
   Example 3: What is the Difference Between a Snail and a Slug? 16:09 
   Example 4: What Type of Symmetry Does this Mollusk Exhibit? 16:47 
  Worms 29:48
   Intro 0:00 
   Objectives 0:07 
    Objectives 0:08 
   What are Worms? 0:29 
    What are Worms? 0:30 
   Where are Worms? 2:27 
    Where are Worms? 2:28 
   Characteristics of Flatworms 2:55 
    Characteristics of Flatworms 2:56 
   Planarians 4:34 
    Planarians 4:35 
   Flukes 7:53 
    Parasites 7:54 
    Sexual Reproduction 8:32 
   Tapeworms 9:23 
    Parasites With No Body Openings 9:24 
    Sexual Reproduction 10:52 
   Characteristics of Roundworms 11:29 
    Characteristics of Roundworms 11:30 
   Importance of Roundworms 14:16 
    Essential to the Health of the Soil 14:17 
    Origin 14:48 
   Roundworms and Disease 15:39 
    Trichinella Worm 15:48 
    Hookworm 16:20 
    Pinworm 16:46 
   Characteristics of Segmented Worms 17:17 
    Phylum Annelida & Segmented Bodies 17:18 
    Two Types: Terrestrial and Marine 19:09 
   Earthworms 20:35 
    Characteristics of Earthworms 20:36 
    Sexual Reproduction 21:10 
    Essential to the Health of Soil 21:41 
   Earthworm Anatomy 22:29 
    Earthworm Anatomy: Soil Pathway 22:30 
   Marine Worms 24:34 
    Polychaetes 24:35 
    Leeches 25:35 
   Example 1: Explain How the Planarian Reproduces both Sexually and Asexually 26:15 
   Example 2: Which Worm has Hooks and Suckers to Attach to Its Host? 27:11 
   Example 3: What Characteristics have Helped Roundworms Evolve? 27:44 
   Example 4: How Does This Animal Reproduce? 28:42 
  Arthropods 14:18
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   What are Arthropods? 0:23 
    What are Arthropods? 0:24 
    'Jointed Foot' 0:44 
    Jointed Appendages 1:05 
   Types of Arthropods 1:45 
    Types of Arthropods 1:46 
   Common Characteristics of Arthropods 2:53 
    Common Characteristics of Arthropods 2:54 
   How do Arthropods Get Their Food? 5:04 
    Chewing 5:05 
    Piercing and Sucking 5:27 
    Lapping up Nectar 5:51 
    Eating Other Animals 6:06 
   How do Arthropods Use Their Exoskeleton? 6:38 
    Protection 6:55 
    Support 7:27 
    Water Conservation 7:40 
   What is Molting? 8:02 
    Molting 8:03 
   Example 1: List Two Ways that Arthropods Obtain Food 10:50 
   Example 2: Name One Advantage and One Disadvantage of Having an Exoskeleton? 11:25 
   Example 3: Name the Four Types of Arthropods 12:35 
   Example 4: What is This Process Called That is Shown Below? 13:11 
  Echinoderms 13:49
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   What are Echinoderms? 0:24 
    What are Echinoderms? 0:25 
    Examples 1:13 
   Common Characteristics of Echinoderms 1:45 
    Common Characteristics of Echinoderms 1:46 
   How do Echinoderms Get Food? 3:25 
    How do Echinoderms Get Food? 3:26 
    Water-vascular System 3:46 
    Tube Feet 5:25 
   Starfish 6:32 
    Starfish 6:33 
    Tube Feet 8:25 
    Feeding 9:02 
   Sea Urchins 9:32 
    Spines and Feet 9:33 
    Mouth 10:24 
   Example 1: What Do Echinoderms Use to Move Around? 11:05 
   Example 2: What Do Echinoderms Use to Protect Themselves? 11:59 
   Example 3: How Can This Animal Repair a Broken Arm? 12:40 
   Example 4: What Type of Food Does This Animal Eat? 13:13 
  Vertebrates 19:29
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   What are Vertebrates? 0:24 
    Animals with Backbones 0:25 
   How are Vertebrates Classified? 2:53 
    Five Major Groups 2:55 
   Birds 4:41 
    Birds 4:42 
   Fish 7:05 
    Live in Fresh or Saltwater 7:06 
    Distinct Features 8:02 
    Sexual Reproduction 9:49 
   Amphibians 9:55 
    Amphibian = ' Double Life' 9:56 
    Live in Both Water and Land 11:00 
   Reptiles 12:43 
    Dry-scaly Skin 12:44 
    Terrestrial Eggs 13:57 
    Ectotherms 14:39 
   Mammals 15:04 
    Mammary Glands 15:05 
    Hair 15:27 
    Endotherms 15:43 
   Example 1: Name the Five Major Groups of Vertebrates 16:54 
   Example 2: What Does the Word 'Amphibian' Mean? 17:45 
   Example 3: List Two Characteristics of All Reptiles 18:12 
   Example 4: What is the Common Feature that These Animals Share Below? 18:35 
  Fish 24:02
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   Common Characteristics 0:28 
    Common Characteristics 0:29 
   Fins 3:11 
    Fins 3:12 
   Gills 4:27 
    Gills Overview 4:28 
    Respiration 5:09 
   Scales 6:22 
    Scales: Characteristics and Functions 6:23 
   3 Classes of Fish 8:33 
    Jawless Fish, Cartilaginous Fish, and Bony Fish 8:34 
   Jawless Fish 9:29 
    Jawless Fish 9:30 
   Cartilaginous Fish 11:12 
    Cartilaginous Fish 11:13 
   Bony Fish 12:19 
    Bony Fish 12:20 
   Lobe-finned Fish 14:43 
    Lobe-finned Fish 14:44 
   Lung Fish 15:55 
    Lung Fish 15:56 
   Ray-finned Fish 17:24 
    Ray-finned Fish Overview 17:25 
    Examples of Ray-finned Fish 18:42 
   Example 1: What Covers Most Fish Like House Shingles and Helps to Protect Them From Predators? 19:38 
   Example 2: Compare and Contrast Jawless and Cartilaginous Fish 19:57 
   Example 3: How are Gills Used for Gas Exchange? 21:10 
   Example 4: Explain Why This Type of Fish Picture Below Would Not Need a Swim Bladder? 22:27 
  Amphibians 13:51
   Intro 0:00 
   Objectives 0:07 
    Objectives 0:08 
   Common Characteristics 0:27 
    Common Characteristics 0:28 
    Examples 2:40 
   Metamorphosis 3:26 
    Young Water Stage 3:27 
    Adult Land Stage 4:41 
   Frogs and Toads 5:51 
    Common Characteristics 5:52 
    Frogs versus Toads Characteristics 6:44 
   Salamanders and Newts 8:31 
    Salamanders and Newts 8:32 
   Example 1: Describe Two Differences Between a Tadpole and a Frog 9:22 
   Example 2: Describe Two Differences Between a Frog and a Toad 10:42 
   Example 3: Describe Two Differences Between a Frog and a Salamander 11:53 
   Example 4: Describe the Stage of Development for the Amphibian Pictured Below 13:06 
  Reptiles 16:37
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   Common Characteristics 0:26 
    Common Characteristics 0:27 
   Lizards and Snakes 4:00 
    Lizards and Snakes Overview 4:01 
    Characteristics of Lizards 4:42 
    Characteristics of Snakes 5:28 
   Turtles 7:34 
    Characteristics of Turtles 7:35 
   Crocodilians 9:10 
    3 Types: Crocodiles 9:21 
    3 Types: Alligators 10:13 
    3 Types: Gavials 10:24 
    Characteristics of Crocodilians 10:33 
   Example 1: Describe Two Adaptations that Have Helped Reptiles to Live on Land 11:30 
   Example 2: Compare and Contrast Lizards and Snakes 12:32 
   Example 3: What is the Purpose of a Turtle's Shell? 14:16 
   Example 4: Identify Each Picture Below 14:48 
  Birds 17:24
   Intro 0:00 
   Objectives 0:07 
    Objectives 0:08 
   Common Characteristics 0:24 
    Common Characteristics 0:25 
   Types of Feathers 5:24 
    Contour Feathers 5:34 
    Down Feathers 6:17 
    Tail Feather 6:56 
   Wings 7:38 
    Wings: Structures and Functions 7:39 
    Non-flying Birds 8:28 
   Body Systems 9:05 
    Digestive System 9:21 
    Respiratory System 11:14 
    Circulatory System 12:14 
   Body Systems 12:54 
    Diagram: Beaks 12:55 
    Diagram: Digestive System 13:28 
    Diagram: Circulatory System 13:53 
    Diagram: Respiratory System 14:10 
   Example 1: Describe Two Adaptations that Have Helped Birds to Fly 14:47 
   Example 2: Describe the Type of Feather that Helps Birds Maintain Their Body Temperature 15:24 
   Example 3: Name Two Ways Birds Use Their Wings 16:05 
   Example 4: Identify the Structure that Provide Nourishment to a Bird Embryo Below 16:34 
  Mammals 22:27
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   Common Characteristics 0:30 
    Common Characteristics 0:31 
   Hair and Skin 3:23 
    Hair and Skin 3:24 
   Glands 5:18 
    Milk-producing Glands 5:19 
    Oil-producing Glands 5:58 
    Sweat Glands 6:36 
    Scent Glands 7:06 
   Monotremes 7:51 
    Monotremes 7:52 
   Marsupials 9:00 
    Marsupials 9:01 
   Placentals 10:42 
    Gestation Period & Placentals 10:43 
    Umbilibal Cord 12:12 
   Carnivores 13:28 
    Carnivores 13:29 
   Herbivores 14:27 
    Herbivores 14:28 
   Omnivores 15:59 
    Omnivores 16:00 
   Example 1: Compare and Contrast Placental, Marsupial, and Monotreme Development 16:39 
   Example 2: Describe the Specialized Teeth and Diet of Carnivores, Omnivores, and Herbivores 19:10 
   Example 3: What Structures Help Placentals Develop Inside the Uterus? 20:26 
   Example 4: Label Each Mammal As a Monotreme, Marsupial, or a Placental. 21:35 
  Animal Behavior 19:28
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   Behavior 0:28 
    Behavior 0:29 
    Stimulus 0:48 
    External Stimulus 0:54 
    Internal Stimulus 1:27 
    Response 1:44 
   Types of Behavior 2:36 
    Innate Behaviors 2:45 
    Learned Behaviors 3:19 
   Innate Behaviors 3:37 
    Innate Behaviors Overview 3:46 
    Insects and Innate Behaviors 4:27 
    Reflex-automatic Message 4:59 
    Instinctive Behaviors 5:39 
   Learned Behaviors 6:12 
    Learned Behaviors 6:13 
   Types of Learned Behaviors 7:20 
    Imprinting 7:37 
    Trial and Error 8:50 
    Conditioning 9:08 
    Insight 9:34 
   Types of Conditioning 10:27 
    Classical Conditioning 10:41 
    Experiment: Pavlov's Dog 10:53 
    Operant Conditioning 13:24 
   Example 1: Compare and Contrast the Two Types of Innate Behavior 13:58 
   Example 2: Give an Example for Each of the 4 Types of Learned Behavior 15:34 
   Example 3: Conditioning and New Stimulus 18:17 
   Example 4: Identify the Type of Learned Behavior Shown in the Picture 18:50 
  Bacteria 22:41
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   Common Characteristics 0:26 
    Common Characteristics 0:27 
   Diagram of Bacteria 3:37 
    No Membrane-bound Nucleus 3:38 
    Cytoplasm & Ribosomes 3:53 
    Protection 4:12 
    Movement 4:24 
    Diagram of Bacteria 4:33 
   Aerobes and Anaerobes 6:05 
    Aerobes 6:13 
    Anaerobes 6:23 
    Example 6:30 
   Obtaining Food 6:42 
    Producers 6:51 
    Consumers 7:27 
   Eubacteria 8:18 
    Cyanobacteria 8:19 
    Gram's Stain Experiment: Gram-positive, and Gram-negative 8:57 
   Archaebacteria 9:57 
    Archaebacteria 9:58 
    Live in Extreme Conditions 10:21 
    Anaerobic 10:46 
    Examples 10:52 
   Asexual Reproduction 11:18 
    Binary Fission 11:19 
   Helpful Bacteria 12:56 
    Helpful Bacteria 12:57 
   Harmful Bacteria 15:23 
    Pathogens: Disease-causing Bacteria 15:24 
    Toxins 16:02 
   Vaccines 17:17 
    Vaccines 17:18 
   Example 1: What is the Difference between Producer Bacteria and Consumer Bacteria 18:14 
   Example 2: What is the Difference Between Eubacteria and Archaebacteria 19:00 
   Example3: What is the Difference Between an Antibiotic and a Vaccine? 20:04 
   Example 4: Name the Process Shown Below 21:30 
  Protists 12:08
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   Common Characteristics 0:19 
    Common Characteristics 0:20 
    Three Main Types: Plant-like, Animal-like, and Fungus-like Protists 0:53 
   How do Protists Reproduce? 1:11 
    Asexual Reproduction 1:12 
    Sexual Reproduction 2:43 
   Animal-like Protists 3:01 
    Characteristics of Animal-like Protists 3:02 
    Protozoans 3:24 
    Examples of Animal-like Protists 4:03 
    Specialized Structures for Movement 4:19 
   Plant-like Protists 5:06 
    Characteristics of Plant-like Protists 5:07 
    Examples: Algae and Euglena 5:42 
   Fungus-like Protists 6:25 
    Characteristics of Fungus-like Protists 6:26 
    Examples: Slime Molds, Water Molds, and Downy Mildews 8:03 
   Example 1: Name Two Common Characteristics of All Protists 8:35 
   Example 2: Describe How Each of the 3 Types of Protists Get Their Food 9:21 
   Example 3: What Structures Help Protists to Move? 10:28 
   Example 4: Identify the Type of Protist Pictured Below and the Main Group It Belongs to 11:31 
  Fungi 11:24
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   Common Characteristics 0:21 
    Multicellular 0:22 
    Heterotrophs 0:50 
    Saprophytes 1:08 
    Hyphae 2:34 
    Examples: Mushrooms, Molds, and Yeasts 3:01 
   More Characteristics 3:14 
    More Characteristics 3:15 
   Fungus Reproduction 4:27 
    Sexual and Asexual Reproduction Overview 4:28 
    Asexual Reproduction 4:53 
    Sexual Reproduction 5:40 
   Fungi Classification 6:43 
    Classifying Fungi 6:44 
    Club Fungi - mushroom 6:54 
    Sac Fungi - Ascus 7:14 
    Zygote Fungi - Sporangium 7:39 
   Example 1: Why are Fungi Called Natural Recyclers? 8:10 
   Example 2: Describe the Reproductive Structure for Each of the 3 Types of Fungi 8:40 
   Example 3: How Do Fungi Reproduce Sexually? 9:55 
   Example 4: Identify the Type of Fungus Pictured Below and the Main Group It Belongs to 10:46 
IV. Cell Biology
  History of the Cells 15:54
   Intro 0:00 
   Objectives 0:10 
    Objectives 0:11 
   History of the Microscope 0:28 
    History of the Microscope 0:29 
    Anton van Leeuwnhoek 1:28 
    Robert Hooke 2:45 
   Simple vs. Compound 4:10 
    Simple Microscope 4:11 
    Compound Microscope 4:33 
   Electron Microscope 7:51 
    Electron Microscope 7:52 
   Cell Theory 9:35 
    1830's Matthias Schleiden 9:36 
    Theodor Schwann: Cell Theory Part 1 10:34 
    Rudolph Virchow: Cell Theory Part 2 11:03 
    Cell Theory Part 3 11:23 
    Timeline 11:33 
   Example 1: Describe a Simple Microscope 12:42 
   Example 2: Total Magnification for Compound Microscope 13:21 
   Example 3: What are the 3 Parts to the Cell Theory 14:04 
   Example 4: Identify the Eyepiece and the Objective Lenses in This Microscope 15:01 
  Cell Structure and Functions 26:33
   Intro 0:00 
   Objectives 0:07 
    Objectives 0:08 
   Common Cell Traits 0:25 
    Smallest Unit of Life 0:26 
    Cell Membrane 0:42 
    Cytoplasm 0:51 
    Prokaryotes 1:34 
    Eukaryotes 2:19 
   Cell Shape 2:54 
    Cell Shape 2:55 
    Nerve Cell 3:05 
    Human Egg Cell 4:07 
    Blood Cell 5:02 
   Cell Wall 5:41 
    Cell Wall: Structure and Function 5:42 
    Pectin and Lignin 7:04 
   Cell Membrane 8:05 
    Cell Membrane 8:06 
   Cytoplasm 9:59 
    Cytoplasm 10:00 
    Cytoskeleton 11:15 
   Energy in the Cell 12:38 
    Chloroplasts 12:39 
    Mitochondria 14:00 
    Diagram: Plant Cell & Animal Cell 15:41 
   Other Organelles 16:48 
    Golgi Bodies 16:49 
    Lysosomes 17:23 
    Vacuole 18:12 
    Ribosomes 18:55 
    Endoplasmic Reticulum 19:49 
   Cell Organization 20:58 
    Cell 20:59 
    Tissues 21:33 
    Organs 22:12 
    Organ System 22:26 
    Organism 22:38 
   Example 1: Name Two Organelles Found Only in Plants 23:08 
   Example 2: Show the Organization of a Many-Celled Organism 24:12 
   Example 3: How Does the Cell Wall Keep the Shape of a Cell? 24:58 
   Example 4: Identify the Mitochondria and the Chloroplast in the Picture Below 25:42 
  Cellular Transport 25:31
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   Cell Membrane 0:27 
    Cell Membrane: Selective Permeable 0:28 
    All Cells Need… 2:25 
    Size Matters 2:45 
   Passive Transport 3:28 
    Passive Transport 3:29 
    Three Types: Diffusion, Osmosis, and Facilitated Diffusion 4:08 
   Diffusion 5:30 
    Diffusion 5:31 
    Example: Oxygen Molecules Moving Between Blood Cells and Lungs 6:58 
   Osmosis 7:57 
    Osmosis Overview 7:58 
    Osmosis in Animal Cells 8:34 
    Osmosis in Plant Cells 10:14 
   Facilitated Diffusion 13:11 
    Facilitated Diffusion 13:12 
   Active Transport 15:04 
    Active Transport 15:05 
    Protein Pumps 16:30 
   Endocytosis and Exocytosis 17:44 
    Endocytosis: Definition and Example 17:45 
    Exocytosis: Definition and Example 18:57 
   Example 1: Compare and Contrast Diffusion and Osmosis 20:27 
   Example 2: Compare and Contrast an Animal and a Plant Cell Size after Water Molecules have Entered the Cell 21:27 
   Example 3: Compare and Contrast Endocytosis and Exocytosis 22:40 
   Example 4: Identify the Process Occurring in the Picture Below 24:31 
  Cell Division & Mitosis 22:45
   Intro 0:00 
   Objectives 0:09 
    Objectives 0:10 
   Cell Division 0:25 
    Cell Division Overview 0:26 
    Asexual Reproduction 1:37 
    Example: Amoeba 2:14 
    Multi-Cellular Organisms 3:17 
   Cell Cycle 4:34 
    Cell Cycle Overview 4:35 
    Interphase 6:43 
    Mitosis 6:50 
    Cytokinesis 7:03 
   Chromosomes 7:41 
    Chromosomes 7:42 
    Sister Chromatids 8:06 
    Centromere 9:07 
   Interphase 9:55 
    Interphase 9:56 
   Mitosis 11:22 
    Mitosis 11:23 
   Prophase - 1st Step in Mitosis 13:38 
    Prophase - 1st Step in Mitosis 13:39 
   Metaphase - 2nd Step in Mitosis 15:09 
    Metaphase - 2nd Step in Mitosis 15:10 
   Anaphase - 3rd Step in Mitosis 15:51 
    Anaphase - 3rd Step in Mitosis 15:52 
   Telophase - 4th Step in Mitosis 16:29 
    Telophase - 4th Step in Mitosis 16:30 
   Cytokinesis 17:32 
    Cytokinesis 17:33 
   Example 1: Label the Pictures 17:55 
   Example 2: Draw the Chromosomes for Each 19:41 
   Example 3: Identify Metaphase 21:43 
  Viruses 21:43
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   What are Viruses? 0:19 
    What are Viruses? 0:20 
    Bacteriophage 1:11 
    Basic Structure: Protein Coat and Nucleic Acid Core 1:50 
    Examples of Viruses 2:24 
   How are Viruses Classified? 3:44 
    DNA Viruses & RNA Viruses 3:45 
   Dead or Alive? 6:15 
    Viruses are Not Living Organisms 6:16 
    Viruses are Living Organisms 7:29 
   How do Viruses Reproduce? 9:04 
    Infecting Living Cells: Lytic Cycle and Lysogenic Cycle 9:05 
   Lysogenic Cycle 15:19 
    Lysogenic Cycle 15:20 
   Lytic Cycle 16:27 
    Lytic Cycle 16:28 
   Example 1: Describe the Basic Structure of a Virus 17:27 
   Example 2: Why are Viruses not Considered Living Organisms? 18:02 
   Example 3: Compare and Contrast DNA and RNA Viruses 18:46 
   Example 4: identify the Two Viral Reproductive Cycles in the Picture Below 19:56 
V. Genetics
  Genetics 46:32
   Intro 0:00 
   Objectives 0:05 
    Objectives 0:06 
   Who is Gregor Mendel? 0:24 
    Gregor Mendel: 'Father of Genetics' 0:25 
   What is Genetics? 5:18 
    What is Genetics? 5:19 
    Heredity 5:33 
    Genes 5:40 
    Alleles 7:45 
   What is Meiosis? 9:25 
    Meiosis 9:26 
   What is Fertilization? 15:44 
    Fertilization 15:44 
   Mendel's Experiments 17:40 
    Mendel's Experiments 17:41 
   Dominant or Recessive? 22:56 
    Dominant Alleles 22:57 
    Recessive Alleles 23:49 
   How can Recessive Alleles be Shown? 26:00 
    Hybrids 26:15 
    Purebred 26:34 
    Diagram: Recessive Alleles 26:49 
   Punnett Squares 28:02 
    Punnett Squares 28:03 
    Genotype 32:03 
    Phenotype 32:44 
    True Breeding Green & True Breeding Yellow 33:40 
   Making a Punnett Square 35:11 
    Making a Punnett Square 35:12 
   Example 1: Why is Mendel Called the 'Father of Genetics'? 40:47 
   Example 2: What is the Difference Between Homozygous and Heterozygous? 41:46 
   Example 3: Describe the Parents and Possible Offspring of the Cross Shown by the Punnett Square 42:42 
   Example 4: Probability and Punnett Square 44:26 
VI. Evolution
  Evolution 23:30
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   Why Do Some Survive and Other Die? 0:34 
    Species 0:35 
    Evolution 1:09 
   Charles Darwin 3:19 
    Charles Darwin 3:20 
   Evolution 6:36 
    Evolution Overview 6:37 
    Vestigial Structures 7:11 
    Homologous Structures 8:18 
   More Evidence for Evolution 9:30 
    Mimicry 9:31 
    Fossils 11:18 
    Camouflage 11:56 
    Antibiotic-resistant Bacteria 12:51 
   Natural Selection 14:28 
    Natural Selection: 'Survival of the Fittest' 14:29 
    Example of Natural Selection 16:58 
   Example 1: Homologous Structures and the Origin of Species 18:57 
   Example 2: What are Vestigial Structures 20:25 
   Example 3: What Adaptation Helps Organisms to Blend into Their Environment to Protect Them From Predators? 21:24 
   Example 4: How Does This Illustration Depict Evolution? 21:47 
VII. Ecology
  Ecology 13:52
   Intro 0:00 
   Objectives 0:06 
    Objectives 0:07 
   What is Ecology? 0:25 
    What is Ecology? 0:26 
   Ecological Organization 0:41 
    Individual 0:42 
    Population 1:19 
    Community 1:33 
    Ecosystem 1:45 
    Biome 1:59 
    Biosphere 2:11 
   Ecological Organization 2:18 
    Diagram: Levels of Ecological Organization 2:19 
   What Does an Ecosystem Look Like? 4:01 
    What Does an Ecosystem Look Like? 4:02 
    Prairie Ecosystem: Abiotic and Biotic Factors 4:49 
   What Part of Earth is the Biosphere? 6:03 
    What Part of Earth is the Biosphere? 6:04 
   What are the Major Biomes? 7:20 
    Desert 7:45 
    Forest 8:04 
    Taiga 8:46 
    Tundra 8:59 
    Grasslands 9:18 
    Mountains 9:26 
    Map of Major Biomes 9:40 
   Example 1: Name the Six Levels of Ecological Organization 10:12 
   Example 2: How is a Community Different From an Ecosystem? 11:22 
   Example 3: Give Examples of Biotic and Abiotic Factors 12:47 
   Example 4: Name the Type of Biome Shown in the Picture Below 13:29