Comparative Anatomy and Earthworms
  • 1. What is the simplest animal species?
A) earthworms
B) sponges
C) slugs
D) humans
E) cnidarians
  • 2. The dorsal side refers to the...
A) the bottom of an animal's feet
B) back side (not the chest) of a specimen
C) the top of an animal's head
D) the front side (chest side) of an animal
  • 3. Which of the following performs a function similar to human teeth in earthworms?
A) pharanx
B) gizzard
C) intestine
D) crop
  • 4. Which of the following goes from simplest to most complex?
A) cell-->organ system-->organ-->tissue
B) cell-->tissue-->organ system-->organ
C) cell-->tissue-->organ-->organ system
D) tissue-->cell-->organ-->organ system
  • 5. On an earthworm, the clitellum is closer to...
A) the mouth
B) the anus
  • 6. Which of the following has a 3 chambered heart?
A) Human
B) Frog
C) Pig
D) Fish
  • 7. Which animal is the most complex?
A) Fish
B) Earthworm
C) Snake
D) Toad
  • 8. True or False: Earthworms have hearts
A) True
B) False
  • 9. Describe why the crop is not rigid (stiff).
  • 10. Name the five kingdoms of living things and give a brief description of each (worth 10 points)
  • 11. Which of the following is not part of the earthworm's digestive system.
A) pharanx
B) gizzard
C) intestine
D) esophagus
E) crop
  • 12. Describe why mammals are more complex than other warm blooded animals like birds.
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