Explanation:
Sea otters are an iconic species, representing the beauty and diversity of marine life found along California’s coastline. They’re also considered a keystone species because of their critical importance to the health and stability of the nearshore marine ecosystem. They eat sea urchins and other invertebrates that graze on giant kelp.
Answer:
A) mutualism
Explanation:
Both species cows and bacteria get benefits in this association.
The effects of the intertidal zone on two species of snails, and how an adaptation can help in an organism's survival.
Periwinkle (Littorina specie) is a very common snail that is found in the upper intertidal zone due to their adaptation abilities which increase its survival in its environment. They are small in size i.e. less than 1/4 inch and feed on micro algae that grows on the exposed rocks.
Snails close them in shells and excrete a sticky mucous that firmly attaching the animal to the rock of seagrass. so we can conclude that adaptation can help in an organism's survival.
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