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Warm-Up 11/4

Warm-Up 11/4. What is the function of the Madreporite in sea star? What are the names of the two stomachs possessed by sea stars? The lateral canal connects what two portions of the sea star’s water vascular system?. Quiz on Starfish anatomy this Friday!. Warm-Up 11/5.

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Warm-Up 11/4

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  1. Warm-Up 11/4 • What is the function of the Madreporite in sea star? • What are the names of the two stomachs possessed by sea stars? • The lateral canal connects what two portions of the sea star’s water vascular system? Quiz on Starfish anatomy this Friday!

  2. Warm-Up 11/5 • How is the ampulla related to locomotion in the star fish? • What are the function of the pyloric caeca? • Starfish cannot move very quickly and cannot readily run away from predators. From your hands on experience with the starfish, what are some physical attributes of the sea star that might deter(put off) predators?

  3. Warm-Up 11/6 • What does the term porifera mean? • What is the difference between an ostium and an osculum? • What are the two cell morphologies that make up a sponge colony? (Hint: both terms end in “-ocytes”)

  4. Warm-Up 11/7 • What is a nematocyst? • What are the two morphologies cnidarians can have? • If jellyfish have no brains, how can they be predators?

  5. Warm-Up 11/8 • What is the difference between hermatypic and ahermatypic coral? • What are zooxanthellae? • Why would ahermatyic coral require a greater degree of biological productivity and nutrient avalibility from its environment than hermatypic? Quiz on Starfish Anatomy today!

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