Answer:
D more active metabolically
Explanation:
As a result of their surface area to volume ratio, smaller living cells are more active metabolically as transport through the cell organelles occur faster
Answer:
Plants
Explanation:
Plants can make their own food through a process called photosynthesis.
The term that can be used to describe evolution by natural selection is SCIENTIFIC THEORY.
Theory means "the best explanation so far."
Scientific theory is a work in progress. It is a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method, and repeatedly confirmed through observation and experimentation.