A Fish Swimming into a Bog Environment in Ohio Would

Multiple Choice

A fish swimming into a bog environment in Ohio would likely have which of the following as its greatest physiological challenge?

A) The low oxygen content would make it difficult for the fish to swim aerobically.
B) The low nitrogen content would make it difficult for the fish to synthesize proteins.
C) The high temperature would stress the fish by denaturing its proteins.
D) The high water flow would make the fish expend more energy.
E) The high methane content would make respiration difficult.