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QUESTIONS ON INVERTEBRATE ZOOLOGY

Questions and Answers

1. 

What type of body plan to sponges have?
A. 

Asymmetrical

B. 

Bilateral

C. 

Radial

2. 

What type of digestive system to sponges have?
A. 

2 way: in through mouth, out through anus

B. 

1 way: in through mouth, out through anus

C. 

2 way: in through mouth, out through mouth

3. 

Sponges lack:
A. 

Bones, specific body plan, and flagella

B. 

Organs, specific body plan, and tissue

C. 

Organs, specific body plan, and teeth

4. 

Sponges reproduce how?
A. 

Sexually and asexually

B. 

Just by budding

C. 

Just sexually

5. 

Sponges exchange gas through?
A. 

Diffusion

B. 

Breathing

C. 

Spicules

6. 

What helps with sponge excretion?
A. 

Collar cells

B. 

Diffusion

C. 

Amoebocytes

7. 

Definition of collar cells:
A. 

Whip like flagella that power the pump

B. 

Pick up food from collar cells

C. 

Help with reproduction

8. 

Spicules help the sponge by:
A. 

Helping to identify the type of sponge, gives it form, makes it rigid

B. 

Helping to identify the collar cells, makes it rigid

C. 

Makes it rigid

9. 

Definition of amoebocytes:
A. 

Pick up food from the collar cells, digest it, give out nutrients to other cells, and transport oxygen

B. 

Transport oxygen

C. 

Gives it form, helps dispose of wastes, distributes nutrients, power the pump, participate in reproduction

10. 

First animals to have sensitive tentacles?
A. 

Cephalopods

B. 

Crustaceans

C. 

Arthropods

D. 

Cnidarians

11. 

Which phylum invented movement?
A. 

Cnidarians

B. 

Gastropods

C. 

Platyhelmenthis

12. 

First group to have a head/brain?
A. 

Bivalves

B. 

Flatworms

C. 

Roundworms

13. 

Cnidarians have what 2 types of body form?
A. 

Medusa body form, polyp

B. 

Medusa body form, asymmetrical

C. 

Radial

14. 

Cnidarians what type of body plan?
A. 

Asymmetrical

B. 

Radial

C. 

Bilateral

15. 

Cnidarians reproduce:
A. 

Sexually and asexually

B. 

Sexually

C. 

Asexually

16. 

Describe nematocytes:
A. 

They are the stinging cells which stuns a prey

B. 

They chill on the beach

C. 

They are the actual tentacle which darts out to sting a prey

17. 

The digestive system of a Cnidarian?
A. 

2 way

B. 

1 way

18. 

Types of Cnidarians:
A. 

Hydra, portugese man-of-war, sea urchin

B. 

Hydra, portugese man-of war, sea anemones, jellyfish

C. 

Jellyfish, sea anemones, octopi, and squids

19. 

Cnidarian brain:
A. 

Similar to the human brain

B. 

Nerve net (cluster of nerves)

20. 

Cnidarians exchange gas through:
A. 

Diffusion

B. 

Water vascular system

C. 

Gills

D. 

Lungs

21. 

What type of body plan to flatworms/roundworms have?
A. 

Asymmetrical

B. 

Radial

C. 

Bilateral

22. 

What are Flatworms?
A. 

Acoelomates

B. 

Pseudocoelomate

C. 

Coelomates

23. 

Flatworms are the first. . .
A. 

Things to have legs

B. 

Things to have eyes

C. 

Mobile hunters

24. 

Digestion of a flatworm:
A. 

2 way

B. 

1 way

25. 

How do flatworms reproduce?
A. 

Sexually

B. 

Asexually

C. 

Both

26. 

Roundworms digest food through what type of digestive system?
A. 

2 way

B. 

1 way

27. 

Examples of a flatworm are?
A. 

Tapeworms, segmented worms

B. 

Tapeworms, flukes

C. 

Hookworm, pinworm

28. 

Examples of a roundworm are?
A. 

Hookworm, pinworm, threadworm

B. 

Tapeworms, flukes, segmented worms

C. 

Scaleworm, leech, featherduster worm

29. 

Overall body structure of both roundworms and flatworms?
A. 

5 part body plan

B. 

Segmented bodies

C. 

3 tissue layers

30. 

What is a roundworm?
A. 

Acoelomate

B. 

Pseudocoelomate

C. 

Coelomate

31. 

Reproduction of roundworms?
A. 

Sexually

B. 

Asexually

C. 

Both

32. 

Gas exchange for roundworms?
A. 

Diffusion

B. 

Lungs

C. 

Gills

33. 

Examples of annelids?
A. 

Scale worm, leech, featherduster, spagetti worm

B. 

Scale worm, leach, featherduster, acoelomate

34. 

Annelid body plan?
A. 

Asymmetrical

B. 

Radial

C. 

Bilateral

35. 

What are annelids?
A. 

Acoelomates

B. 

Pseudocoelomates

C. 

Coelomates

36. 

First group to have a closed circulatory system?
A. 

Flatworms

B. 

Roundworms

C. 

Annelids

D. 

Arthropods

37. 

Annelid Reproduction:
A. 

Sexually

B. 

Asexually

C. 

Both

D. 

Sexual and hermaphroditic

38. 

What type of digestion does an annelid have?
A. 

2 way

B. 

1 way

39. 

Excretion of annelids:
A. 

In through the mouth and out through the anus

B. 

In and out through the mouth

40. 

Gas exchange for Annelids?
A. 

Diffusion

B. 

Breathing

C. 

Gills

41. 

Examples of bivalves:
A. 

Scallops, clams, muscle, oysters

B. 

Octopi, squid

C. 

Snail, slugs

42. 

5 main parts of a bivalve:
A. 

Head, foot, stomach, anus

B. 

Gills, mouth, foot, anchoring, coelom

C. 

Mantle, foot, vascular cavity, foot, coelom

43. 

Definition of a mantle:
A. 

Helps with respiration, waste disposal, digging, anchoring

B. 

Helps with respiration, waste disposal, sensory reception, and houses organs

44. 

Digestion for bivalves:
A. 

2 way (filter feeders)

B. 

1 way (filter feeders)

45. 

gas exchange for bivalves:
A. 

Gills

B. 

Mouth

C. 

Lungs

46. 

type of reproduction (both male and female structures are present in the same individual)
A. 

Sexually

B. 

Asexually

C. 

Both

47. 

Examples of gastropods:
A. 

Snails, slugs, leafy horn mouth, leek

B. 

Snails, slugs, leafy horn mouth, moon snail

48. 

4 main body parts of a gastropod:
A. 

Foot, stomach, radula, eyes

B. 

Head, eyes, ears, mouth

C. 

Head, foot, mantle, radula

49. 

Gastropods have an open circulatory system?
A. 

True

B. 

False

50. 

Gastropods have a 2 way digestive system.
A. 

True

B. 

False

51. 

Gastropod reproduction:
A. 

Sexually

B. 

Asexually

C. 

Both

52. 

Definition of a radula:
A. 

Mouth used to suck in food

B. 

Tongue used to eat prey

53. 

Snails/Slugs are bilateral
A. 

True

B. 

False

54. 

Cephalopods reproduction:
A. 

Sexually

B. 

Asexually

C. 

Both

55. 

Characteristics of an octopus:
A. 

Lives on the bottom of the ocean

B. 

Hunts when its light outside

C. 

Change colors

D. 

Has 8 tentacles

56. 

digestion for a cephalopod:
A. 

2 way

B. 

1 way

57. 

Cephalopods reproduce both sexually and asexually.
A. 

True

B. 

False

58. 

gas exchange for cephalopods:
A. 

Gills

B. 

Breathing

C. 

Mouth

59. 

Description of a nautilus:
A. 

Lives only on the ocean floor

B. 

Uses natural law forces to move

C. 

Stores sea water inside its shell

D. 

It has a vertically clamping mouth with a radula

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