The new species come from old ancestors of the animals that were there, over time they slowly evolved, and they adapted to that new environment.
The correct option is A.
Proactive interference refers to the tendency of the knowledge that one had learned previously to prevent one from subsequent learning. Thus, proactive interference is the difficulty that comes with learning new things due to the stuffs that one had learned before. For instance, an individual may find it difficult to learn Spanish because he has previously learn German.<span />
When you touch a hot plate, the transfer of heat from the plate to your hand is called Conduction.
Conduction is the answer you are looking for.
The answer to your question is B, Lunacy.
