Final Exam Review 3
Kingdom Animalia
1. List 3 characteristics common to all animals.
2. What is a zygote?
3. Name the 3 types of symmetry. Give an example organism for each.
Sponges & Cnidaria
1. What are 2 substances that hold the sponge shape?
2. Although sponges do not have a tubular digestive system with mouth and anus, they do intake food
and release waste through the same opening. Explain how this is possible.
3. Describe the following terms:
a. osculum:
b. collar cells:
c. phagocytosis:
4. How do sponges reproduce?
5. Which phylum was the first to have organisms with nerves?
6. What type of symmetry do cnidarians have?
7. What are the 2 body plans seen in cnidarians?
8. What structure gives jellyfish their name?
9. What is the defense mechanism used by cnidaraians, which may also play a role in feeding?
10. Is it possible for a species to be both a polyp and a medusa in their life cycle? Explain.
Phyla Platyhelminthes, Nematoda, & Annelida
1. Flatworms are the simplest organisms with ________________ symmetry.
2. Flatworms have cephalization. Describe this, and the nervous system layout of flatworms.
3. Explain how the lifecycle of a fluke or tapeworm allow them to survive with no digestive system
4. What is the function of proglottids? What organisms make use of them?
5. What phylum do the flatworms belong to?
6. What phylum do the roundworms belong to?
7. What phylum do the segmented worms belong to?
8. Do roundworms have a coelom? Explain.
9. Describe how the roundworm’s digestive system is more advanced than the flatworms.
10. List 3 organisms that are classified as Nematodes.
11. Describe the movement of Nematodes.
12. What is the difference between a free-living and a parasitic roundworm?
13. What are some positive functions of earthworms in agricultural environments?
14. On each body segment of earthworms, there are 2 pairs of _________ which help the worm
15. Describe what structures food passes through in an earthworm, beginning which the mouth.
16. Do all earthworms have a clitellum? Explain.
17. What class of segmented worms might be a filter feeder?
18. What are members of Class Hirudinea commonly called, and why do they have this name?
Phylum Mollusca
1. What are the 3 features of the mollusk body plan?
2. Hoe do mollusks exchange gases? (oxygen and carbon dioxide)
3. Do mollusks have brains. Explain.
4. Do bialves move? Give 2 examples of bivalves.
5. What classes of mollusks use a siphon? Give 2 examples of these organisms?
6. How do mollusks move?
Phylum Arthropoda
1. List the 3 main features of arthropods.
2. What are 4 functions of an exoskeleton?
3. What are the 3 major body segments of most arthropods?
4. Why do arthropods molt?
5. What system in arthropods involves air intake through tiny tubes called spiracles?
6. What is metamorphosis and what is 1 organisms which undergoes this process?
7. List 3 sensory abilities of arthropods.
8. How many pairs of legs are found in:
a. Chelicerta: ______
b. Crustacea: ________
9. To what sub-phylum do the following organisms belong?
a. bees ______________
b. ticks ________________
c. shore crabs _______________
Phylum Echinodermata
1. What type of symmetry do starfish, sea urchins, and sea cucumbers have?
2. What type of skeleton do echinoderms have?
3. How do tube feet work?
4. Echinoderms are: aceolemate/pseudocoelomate/coelomate (circle one)