Stomach acid is one of the harshest conditions to live in and the mucus layer is what keeps our stomach from digesting is from the inside because it forms a protective barrier so by living there, they would be protected and not exposed to the acid
Answer:Answer is C.
Explanation: They form a heart to live
Answer:
C
Explanation:
heterotrophic oragnisms gain energy from other oragnisms and need to break down complex organic molocules to release energy.
<u><em>Desert.</em></u>
<u><em>hope it helps!</em></u>