Question

A salmon moves from a saltwater ocean to a freshwater river. What takes place in the salmon's cells as it moves?

A. The cells fill with water because of the movement of water by
osmosis.
B. The cells take in salt to balance the solute concentration.
C. The cells remove salt to balance the solute concentration.
D. The cells lose water because of the movement of water by
osmosis.

Answer 1

A. The cells fill with water because of movement of water by Osmosis.

Step-by-step explanation:

As it moves from salt to fresh water, the fish cells try to balance the concentration of salt to water (inside and outside the cell) but because there is no salt in the water by doing so the cells take in a lot of water and the cells burst.