C block Zoology - Week of 9/12

C BLOCK Zoology, week of 9/12

This week in Zoology, we will conclude our study of Cnidarians. Students will have a study guide. We will review in class tomorrow and test Wednesday.

Thursday, we will start our unit on flatworms which will include a lab with live animals.

Below is the study guide. Click the link to view it.

1. Describe the location, characteristics, and purpose of the gastrodermis, epidermis, and mesoglea.
2. Know the knides: cnidoblast, cnidocyte, cnidocil, cnidae.
3. What is the difference between a cnidocyte and a nematocyst?
4. Starting with external fertilization, describe the life cycle of a jellyfish.
5. Body types: characteristics of polyps and medusa (movement, physical orientation, reproduction)
6. What is a nerve net and how does it work?
7. Response: ocelli, statocyst, sensory pits in rhopalium.
8. Body plans and special characteristics (sensory structures, response, etc…):
1. Scyphozoan
2. Hydrozoan
3. Staurozoan
4. Cubozoan
5. Anthozoan