Estuaries are locations where rivers flow into oceans, with tidal shifts changing the salt concentrations. Plants and animals that live in estuaries face a dilemma in maintaining water balance inside their cells. During high tide they are in salt water, while at low tide they are in fresh water.
-At high tide a coastal plant or animal cell will be in

Question

Quizplus · Accepted Answer

At high tide, the coastal plant or animal cell is surrounded by salt water, which is more concentrated in solutes than the fluid inside the cell. This makes the outside solution hypertonic. Water will tend to move out of the cell to balance the solute concentration, causing the cell to potentially lose water and shrink.

Estuaries Are Locations Where Rivers Flow into Oceans, with Tidal