Question

Which of the following is an example of an adaptation an organism living in an estuary might need to have?

hard exoskeleton to survive pounding waves
ability to withstand constant changes in salinity
needs clear water
ability to withstand constant changes in temperature

Answer 1

he best thing I can think of is a salt gland, like what sea turtles have behind their eyes. It's a gland (small or large) that is able to concentrate the excess salt that is taken in from the environment and releases it from the animal's body through secretion (such as tears).

Answer 2

Adaptations

Answer 3

ability to withstand constant changes in temperature