I believe the answer you're looking for is Archaea-bacteria.
Answer:
The harvesting of energy from ATP to do cellular work
Explanation:
Corpus Callosum is a band of thick fibres which connects the hemispheres of the brain.
Answer:
A trait is an aspect of the whole or of a certain portion of the developmental pattern of the organism. An adaptive trait is, then, an aspect of the developmental pattern which facilitates the survival and/or reproduction of its carrier in a certain succession of environments.
Explanation: