What can occur when organisms are exposed to air and sunlight?
a. Wave shock
b. Motility
c. Desiccation
d. Succession
ANS: C
Desiccation is the drying out of an organism. Motile animals can move towards water, but sessile
organisms must await the return of water. They trap water within their shells to keep their gills moist.
Some have a protective mucous which prevents water loss. Information can be found in the section
Examples of Marine Communities.
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