Zoology Review Game

1. Zoology Review Game

2. Characteristics of animals Heterotrophic, multicellular, lack cell walls, eukaryotic

3. What are filter feeders? Animals that strain floating plants and animals from water

4. What process do simple animals use move oxygen and carbon dioxide through bodies? diffusion

5. Which symmetry shows distinct left and right sides? bilateral

6. What is a blastula? Hollow ball of cells

7. Which germ layer gives rise to muscles, circulatory and excretory systems? mesoderm

8. Which germ layer gives rise to epidermis? ectoderm

9. What substance to sponges produce to protect themselves? toxins

10. Do sponges use internal or external fertilization? internal

11. What are gemmules and how are they beneficial to sponges? They are form of asexual reproduction that allow sponge to survive long periods of harsh conditions

12. Why are flagella important to sponges? Help to move water through its body

13. Why are some sponges green? They have photosynthetic algae in tissues

14. What is the function of spicules in sponges? Focus and direct incoming light

15. ?

16. How do sponges benefit marine animals? Provide habitat

17. How do some sponges play an important role in primary productivity of reef? Have symbiotic relationships with photosynthetic organisms

18. What are cnidocytes and how do they help cnidarian to survive? Poison darts that paralyze prey

19. What are the simplest animals to have body symmetry? Cnidarians

20. What two functions do nematocysts form? Defense and capture prey

21. What are characteristics of cnidarians? Carnivorous, stinging tentacles arranged around mouth, simplest animals to have body symmetry; two forms – medusa and polyp

22. In a hydra, gastroderm and epidermis are separated by the ___________? mesoglea

23. How do polyps differ from medusas? Polyps are cylindrical and usually sessile, medusas are bell-shaped and motile

24. The nerve cells of cnidarians make up the ____________? Nerve net

25. Cells that sense gravity are called _____________? statocysts

26. What is the function of the gastrovascular cavity? digestion

27. Why is coral bleaching a serious ecological threat? Causes corals to die

28. What is the function of the scolex in tapeworms? Attach to intestinal wall

29. What organ grinds food into small pieces in earthworms? gizzard

30. ?

31. What is the structure labeled ‘D’ above? pharynx

32. What is the animal called? flatworm

33. What is the structure in a tapeworm that contains the reproductive organs? proglottid

34. In which host does a parasite reproduce asexually? intermediate host

35. ?

36. Which type of worm is an external parasite? leech

37. What organ releases wastes in earthworms? nephridia

38. What is a key difference between roundworms and earthworms? Earthworms have segments

39. Why are earthworms beneficial to gardeners? Tunnel and prove passageways for roots and water

40. How are larvae of marine animals important? Part of food chain

41. Which animals have a true coelom? Annelids, arthropods, mollusks, chordates

42. What are the four parts of a mollusks body? Foot Mantle Visceral mass

43. What is the spade-like burrowing structure of a mollusk called? radula

44. What is the radula of a mollusk a modification of? foot

45. A pond snail belongs to what group of mollusks? gastropods

46. Which group of mollusks is the most active? cephalopods

47. What is a detrivore? Eats dead or decaying plants and animals

48. Which group of animals contains the most species? arthropods

49. What does molting important in arthropods? Allows them to grow as they shed their skin

50. What two body parts are important in arthropod classification? Body segments and appendages