Multiple Choice
The figure below illustrates body size and diffusion time. 
Which of the following examples represents the quickest diffusion time?
A) Small insect; insects have high metabolisms, thus diffusion occurs quickly.
B) Giraffe; tall animals generate a lot of heat energy, which allows diffusion to occur quickly.
C) Cell; it has the shortest distance across. Diffusion slows over longer distances.
D) Human; omnivores have more complex metabolic chemistry, which requires higher diffusion rates.
Correct Answer:

Verified
Correct Answer:
Verified
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