Which Statement Correctly Describes a Trout That Lives in Fresh

Multiple Choice

Which statement correctly describes a trout that lives in fresh water?

A) The external environment is hypertonic with respect to the trout's cells, so the trout must protect itself from water moving into cells from the outside.
B) The external environment is hypotonic with respect to the trout's cells, so the trout must protect itself from water moving out of its cells to the outside.
C) The external environment is hypertonic with respect to the trout's cells, so the trout must protect itself from water moving out of its cells to the outside.
D) The external environment is hypotonic with respect to the trout's cells, so the trout must protect itself from water moving into cells from the outside.
E) The external environment is isotonic with respect to the trout's cells, so the trout must protect itself from water moving back and forth between its cells and the environment.