A trait that can mask another trait is known as a dominant trait.
Maybe biosphere and geosphere?
Answer:
gene pool? species?
Explanation:
Question is a bit vague hope this helped tho :(
The answer is <span>c. mutualism.
</span>
<span>Mutualism is a relationship between two
different species in which both species have benefits. In this example, ants benefit because they feed on aphids' wastes while aphids benefit because ants provide them protection.
</span>
<span>Commensalism is a relationship between two
species in which only one of them has benefit, and the other one is not
affected. Parasitism is a relationship between two species in which only
one of them has benefit, and the other one is harmed.</span><span>
</span>
