Available options:
a). heat or cold;
b). environment;
c). Deposition.;
d). buoyancy;
e). science;
f). evaporation;
g). metal;
h). sound;

Fact 1: Organisms that live in marine biomes must be adapted to the salt in the water. Fact 2: Salt water is more buoyant. Given the two facts above, what must organisms that live in marine biomes adapt to?
Answer:
d).