Answer:
C) the study of how traits are inherited through theminteraction of alleles.
Explanation:
The original definition of genetics is the study of heredity and the variation of inherited characteristics.
<span>If an island had 1000 cats on it, an ecologist would use the word 'population' to describe all the members of that species</span>
It is A. Those are all decomposers, the other answers like C are all animals. Decomposers are are biotic organisms that break down basically dead plants or animals.