__believed that as animals became more complex, so did their emotions

Carolus Linnaeus

Explanation:

Carolus Linnaeus believed that as animals became more complex, so did their emotions.

answer; i believe the correct answer is (a)0

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.