Organisms that live in marine biomes must be adapted to what?\nOptions:\n- (A) Deposition\n- (B) fish\n- (C) waves\n- (D) darkness\n- (E) salinity\n- (F) heat or cold\n- (G) evaporation\n- (H) Deposition. Let's solve this problem gradually.

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Organisms that live in marine biomes must be adapted to the salt in the water. Salinity is the measure of salts in the water. Organisms that live in marine biomes must be adapted to salinity. So the final answer is (E).
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