Unit 8 STUDY GUIDE (Chapters 23 , 24, 25, 26)
1. Name the four characteristics of animals:
2. Describe the 2 plans for body symmetry in animals and give one animal example of each
type.
3. What are the three possible tissue layers of animals?
4. Complete the chart on developmental patterns in animals:
Protostomes
Deuterostomes
1st
opening is the…
Gut cavity formation
Cleavage pattern
5. What are the 2 body types of Cnidarians? Give an animal example of each type.
6. What is an intermediate host of tapeworms?
7. What is a hermaphrodite? Name 2 animals which may be hermaphroditic.
8. What kind of symmetry does an adult echinoderm have? How about echinoderm
larvae?
9. Name 3 main characteristics of arthropods.
10. Name the 5 groups of arthropods and give an animal example of each.
11. What 4 adaptations help an arachnid reduce water loss?
12. The 3 body parts of an insect are:
13. What is the difference between incomplete metamorphosis and complete
metamorphosis? Give an animal example that does each type.
14. Name 4 diseases spread by vectors and their vectors.
15. All chordates share what four characteristics?
16. Vertebrate skeletons are divided into what 4 parts?
17. Describe countercurrent flow in fish.
18. What is the difference between bony fish and cartilaginous fish?
19. Describe amphibian metamorphosis.
20. Why is keratin important to amniotes?
21. Why does amphibian reproduction need a moist environment when reptilian
reproduction does not?
22. Describe the difference between ectotherms and endotherms. Give an animal example
of each type.
23. What do oviparous and viviparous mean?
24. From what animal did birds evolve?
25. Name four characteristics of mammals.
26. What is a monotreme? Give 2 examples.
27. What is a marsupial? Give 2 examples.
28. What are eutherian mammals? Give 2 examples.
29. What is the difference between acoelomate, pseudocoelomate and coelomate? Give an
example of animals in each type.
30. How do mammalian teeth differ in herbivores and carnivores? Name the groups of
teeth.