What did Darwin believe? A. Darwin believed that all organisms have a common ancestor.
B. Darwin believed that all organisms were created simultaneously by the force of nature
C. Darwin believed that all organisms have descended from two different ancestors.

A

Explanation:

Evolution is one species evolving into another

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.