A) a common ancestor
Homologous structures are structures that are similar in related organisms. There is a basic pattern of bones which can be inherited from a common ancestor
Answer:
plains Is the awnser, hope this helps
The answer to the question above is letter a. melting.
>Exothermic is the giving off heat energy the transfer of energy to the surroundings.
>In exothermic reaction, the energy is
usually transferred as heat energy
<span>> Other example of exothermic is combustion</span>
I believe that you're question is referring to homeostasis
