Consider two organisms: a frog swimming in freshwater lake, and asalmon swimming in the Pacific Ocean. For each of the seorganisms:

a) describe the tonicity of the organism’scells in relation to the surrounding water.

b) state whether the organism will tend to gainor lose water

c) state whether the organism will tend to gainor lose salts, and

d) suggest ways that the organism might balancewater gains and losses from its cells.