Which characteristic would a marine organism that lives in the intertidal zone on a steep rocky shore possess? 

A)  intolerant to changes in temperature 
B)  tolerance to being exposed to air 
C)  intolerant to changes in salinity 
D)  tolerance to changes in acidity

Intertidal Zone

The area of land between high tide and low tide; a zone which is underwater at high tide and exposed at low tide, hosting unique ecosystems.

Marine Organism

Life forms that inhabit saltwater environments, including the oceans, seas, and estuaries, ranging from microscopic plankton to large mammals.

Rocky Shore

Coastal areas where the land meets the sea, characterized by rock formations, cliffs, and boulders.