1. Invertebrate Review

2. Digestive, Reproductive
Question #1
Which of the following systems are present in a sponge?
Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory
Answer:
Digestive, Reproductive

3. Question #2 Name one organism that has asymmetrical symmetry. Answer:
Sponge

4. Clam; the larvae of a clam (baby clam)
Question #3
What animal has trochophore and what is its function?
Answer:
Clam; the larvae of a clam (baby clam)

5. Planaria, Roundworm, Earthworms, Clam, &/Or Crayfish
Question #4
Name one organism that has bilateral symmetry.
Answer:
Planaria, Roundworm, Earthworms, Clam, &/Or Crayfish

6. Earthworm; aids in movement through soil
Question #5
What animal has setae and what are their function?
Answer:
Earthworm; aids in movement through soil

7. Crayfish; used to sensing and for equilibrium
Question #6
What animal has antennae and what is its function?
Answer:
Crayfish; used to sensing and for equilibrium

8. Starfish; aide in movement & capturing prey
Question #7
What animal has tube feet and what is its function?
Answer:
Starfish; aide in movement & capturing prey

9. Question #8 List the animals that are or can be sexual reproducers.
Answer:
Sponge, Hydra, Planaria, Roundworm, Earthworm, Starfish, Clam, & Crayfish

10. Earthworm; reproduction/contains babies
Question #9
What animal has a clitellum and what is its function?
Answer:
Earthworm; reproduction/contains babies

11. Clam; allows water to move in and out of the clam
Question #10
What animal has incurrent and excurrent siphon and what is its function?
Answer:
Clam; allows water to move in and out of the clam

12. Question #11
Compare and contrast the water vascular system to our circulatory system.
Answer:
Compare: Both systems transport a nutrients around the body in a liquid.
Contrast: Circulatory system has blood. The water vascular system uses water.

13. Question #12 Tell if each animal lives on land, in water, or both:
a. Sponge –
b. Hydra –
c. Planaria –
d. Roundworm –
e. Earthworm –
f. Starfish –
g. Clam –
h. Crayfish -
a. water
b. water
c. water
d. both
e. land
f. water
g. water
h. water

14. Sponge; provides structure
Question #13
What animal has spicules and what is its function?
Answer:
Sponge; provides structure

15. Question #14
Explain the difference between walking legs and swimmerets on a crayfish.
Answer:
Walking legs are used for movement and swimmerets are used to produce water current for reproductive purposes

16. Question #15 What animal has eyespots and what is its function?
Answer:
Planaria; detects light
Starfish; detects light

17. Question #16 What animal has mouth and what is its function? Answer:
Hydra, Roundworm, Planaria, Earthworm, Clam, Crayfish, Starfish; take in food

18. A method of which food is filtered out of the water.
Question #17
Define filter feeder
Answer:
A method of which food is filtered out of the water.

19. Hydra; breaks down food
Question #18
What animal has a gastrovascular cavity and what is its function?
Answer:
Hydra; breaks down food

20. Clam; anchors the clam into the ground
Question #19
What animal has foot and what is its function?
Answer:
Clam; anchors the clam into the ground

21. Digestive, Reproductive, Nervous, Excretory
Question #20
Which of the following systems are present in an starfish?
Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory
Answer:
Digestive, Reproductive, Nervous, Excretory

22. Question #21 Which organism has the ability to be a polyp or a medusa?
Answer:
Hydra

23. Planaria; moves waste & water
Question #22
What animal has flame cells and what is its function?
Answer:
Planaria; moves waste & water

24. Earthworm; stores food
Question #23
What animal has a crop and what is its function?
Answer:
Earthworm; stores food

25. Question #24 Tell if each animal is sessile or free-moving or both:
a. Sponge –
b. Hydra –
c. Planaria –
d. Roundworm –
e. Earthworm –
f. Starfish –
g. Clam –
h. Crayfish -
a. sessile
b. both
c. free-moving
d. free-moving
e. free-moving
f. free-moving
g. free-moving
h. free-moving

26. Starfish; allows water to go into the starfish
Question #25
What animal has madreporite and what is its function?
Answer:
Starfish; allows water to go into the starfish

27. Question #26 Name one organism that has radial symmetry. Answer:
Hydra &/Or Starfish

28. Digestive, Reproductive, Nervous, Excretory
Question #27
Which of the following systems are present in a roundworm?
Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory
Answer:
Digestive, Reproductive, Nervous, Excretory

29. Question #28 Give definition of the following words: Hermaphrodite-
produces both sperm and egg
Sessile –
unable to move
Alternation of Generation –
alternates between a polyp state and a medusa state in jellyfish

30. Planaria; where waste is removed
Question #29
What animal has excretory pores and what is its function?
Answer:
Planaria; where waste is removed

31. Crayfish; removes waste from the blood
Question #30
What animal has green gland and what is its function?
Answer:
Crayfish; removes waste from the blood

32. Sponge; allows water to leave the sponge
Question #31
What animal has an osculum and what is its function?
Answer:
Sponge; allows water to leave the sponge

33. Earthworm; grinds up food
Question #32
What animal has a gizzard and what is its function?
Answer:
Earthworm; grinds up food

34. Digestive, Reproductive, Nervous
Question #33
Which of the following systems are present in a hydra?
Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory
Answer:
Digestive, Reproductive, Nervous

35. Question #34
How many aortic arches does an earthworm have? Do they have an open or a closed circulatory system?
Answer:
5; closed

36. Crayfish; capture prey and a defensive weapon
Question #35
What animal has cheliped and what is its function?
Answer:
Crayfish; capture prey and a defensive weapon

37. Question #36 Which of the following systems are present in a clam?
Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory
Answer:

38. Crayfish; makes up the shell
Question #37
What animal has chitin and what is its function?
Answer:
Crayfish; makes up the shell

39. Clam; protects the internal organs
Question #38
What animal has mantle and what is its function?
Answer:
Clam; protects the internal organs

40. Questions #39
Roundworms are famous for their ______.
Answer:
anus

41. Question #40 Explain the difference between host and a parasite.
Answer:
A host is an organism that a parasite lives off of.
A parasite is the organism that feeds off a host.

42. Starfish; makes the tube feet open & close
Question #41
What animal has ampullae and what is its function?
Answer:
Starfish; makes the tube feet open & close

43. Question #42 What animal has nematocysts and what is its function?
Answer:
Hydra; paralyzes prey

44. Question #43
Which of the following systems are present in an crayfish?
Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory
Answer:

45. Question #44 Tell the phylum that each organism belongs to:
a. Sponge –
b. Hydra –
c. Planaria –
d. Roundworm –
e. Earthworm –
f. Starfish –
g. Clam –
h. Crayfish -
a. Porifera
b. Cnidarian
c. Platyhelminthes
d. Nematoda
e. Annelid
f. Echinoderm
g. Mollusca
h. Arthropod

46. Question #45
Which of the following systems are present in an earthworm?
Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory
Answer:

47. Ability to re-grow missing parts
Question #46
Define regeneration
Answer:
Ability to re-grow missing parts

48. Question #47 Give the function of the following words: Ganglia –
Control center for body
Heart –
Pumps blood
Digestive Gland –
Breaks down food
Gonad –
Produces sperm and egg
Exoskeleton –
protects the organism

49. Digestive, Reproductive, Nervous
Question #48
Which of the following systems are present in a flatworm?
Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory
Answer:
Digestive, Reproductive, Nervous