Multiple Choice
Circulatory systems solved the problem of _____ in animals with coeloms.
A) the shorter length of digestive tracts
B) the barrier to diffusion created by tissue surrounding the gut
C) living in a terrestrial habitat
D) complexity of movement
E) decrease in oxygen levels
Correct Answer:
Verified
Correct Answer:
Verified
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Q36: Which one of the following terms applies
Q39: Which of the following is not correct
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