What are the three challenges of life? what kind of challenges can you see these organisms dealing with? (soil)

The right temperature because of climate change, it’s hard for ecosystems to survive

Explanation:

the answer is c

explanation:

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.