AP Biology MCQ
Animal Behavior
If an invertebrate possesses nephridia as an excretory system, skin as a gas exchange system, and a closed circulatory system, the animal is most likely to be
If an invertebrate possesses nephridia as an excretory system, skin as a gas exchange system, and a closed circulatory system, the animal is most likely to be
If an invertebrate possesses nephridia as an excretory system, skin as a gas exchange system, and a closed circulatory system, the animal is most likely to be
A) a snail
B) a planarian
C) an earthworm
D) a grasshopper
E) a jellyfish
Answer: C
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