Multiple Choice
Fick's law of diffusion describes the factors that influence the diffusion of respiratory gases across biological membranes like gills and lungs. Diffusion rate = k × A × P2 - P1) /D. Natural selection is least likely to act upon which variable in Fick's law?
A) A
B) D
C) P2 - P1
D) k
Correct Answer:

Verified
Correct Answer:
Verified
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