Answer:
little pouches
Explanation:
the aleveoli are like small balloons, but not large ones. they exchange oxygen and carbon dioxide molecules (so they contain small amounts of air like a SMALL balloon, or in this situation a small pouch).
They had to adapt to the heat and to learn to survive long periods without water
Answer:
It Determines whether the protein can interact with other molecules
Explanation: Hope this Helps
Answer: <em>Photosy</em><em>nthesis</em>
