Name: Per

Invertebrates Test Review

From your “Introduction to Invertebrate Phyla Names“ assignment, answer the following questions. 1. What do the following phyla names mean (use Greek and Latin word parts)? Porifera Cnidaria Platyhelminthes Nematoda Annelida Mollusca Arthropoda Echinodermata 2. Why are scientific names used by scientists in all countries almost always made from Latin and Greek names?

From your “Animals Without Backbones Video Questions” and Invertebrate Phyla Differences packet, answer the following questions. 1. Give two examples of each of the following invertebrate phyla: Porifera Cnidaria Platyhelminthes Nematoda Annelida Mollusca Arthropoda Echinodermata 2. Which invertebrate phyla includes organisms with stinging cells?

3. Describe the following ways of reproduction: Asexual Sexual Regeneration

4. What does sessile mean? Name three organisms which are sessile.

5. Mollusks are divided into three classes. What are the classes and how are they different from one another?

6. How are worms characterized?

7. What are the three worm phyla and their distinguishing characteristics?

8. What is the difference between a one-way digestive system and a two way digestive system?

9. Name an organism which has a one-way digestive system. 10. Name an organism which has a two-way digestive system.

11. Draw the cnidarian body plan.

12. Draw or list the life stages of a jelly fish.

13. What are the parts of a clam and what are their functions?

14. Why do organisms with exoskeletons molt?

15. Why are the organisms in the phylum Porifera considered the simplest invertebrates?

16. Give examples of organisms which have the following body symmetry: Asymmetrical Bilateral Radial

A B

C D E F G H I J

Squid A Squid B

Using the information from your Squid Dissection Lab and the diagrams above, answer the following questions. 1. Which squid is female?

2. Using the diagram of Squid A, list the body part identified by the following letters: B C D 3. Using the diagram of Squid B, list the body part identified by the following letters: B D F G 4. Which of the following is the primary function of chromatophores for squid?

5. Which part of the squid is a remnant of its exoskeleton? 6. What is the main purpose of a squid’s siphon?