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Lecture Comments (5)

0 answers

Post by Cody Pine on May 19, 2014

is there a way where you can add a fastplay feature (2x) for quick review

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Post by Jaish Mishra on February 8, 2014

"Hard outer skeleton" is Known as exoskeleton

2 answers

Last reply by: Jorge Sardinas
Sat Jul 6, 2013 8:42 PM

Post by Jorge Sardinas on July 6, 2013

interesting
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Cnidarians

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  • Intro 0:00
  • Objectives 0:06
    • Objectives
  • What are Cnidarians? 0:25
    • What are Cnidarians?
  • Examples of Cnidarians 3:01
    • Examples of Cnidarians
  • Common Characteristics 3:40
    • Stingers
    • Organ and Tissue Level
    • Two Cell Layers: Ectoderm and Endoderm
    • Radial Symmetry
  • Two Body Forms 7:09
    • Two Body Forms Overview
    • Polyps
    • Medusa
  • Jellyfish 10:26
    • Jellyfish
  • Corals 12:06
    • Corals
  • Sea Anemones 13:44
    • Sea Anemones
  • Portuguese man-of-war 15:01
    • Portuguese man-of-war
  • Hydras 16:08
    • Hydras
  • 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