- 1. What is the simplest animal species?
A) humans
B) slugs
C) cnidarians
D) earthworms
E) sponges
- 2. The dorsal side refers to the...
A) the front side (chest side) of an animal
B) the bottom of an animal's feet
C) the top of an animal's head
D) back side (not the chest) of a specimen
- 3. Which of the following performs a function similar to human teeth in earthworms?
A) intestine
B) crop
C) pharanx
D) gizzard
- 4. Which of the following goes from simplest to most complex?
A) cell-->organ system-->organ-->tissue
B) cell-->tissue-->organ system-->organ
C) tissue-->cell-->organ-->organ system
D) cell-->tissue-->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) Earthworm
B) Toad
C) Fish
D) Snake
- 8. True or False: Earthworms have hearts
A) False
B) True
- 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) intestine
C) crop
D) esophagus
E) gizzard
- 12. Describe why mammals are more complex than other warm blooded animals like birds.
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