ARISTOTLE first classified organisms.... in 4th century B.C.
It requires energy when a substance must travel against a concentration gradient through the membrane
Answer:
Biology is the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution. It can also be described as
Explanation: the physiology, behavior, and other qualities of a particular organism or class of organisms.
<u>What else do you need to know? You weren't very specific...</u>
