A. they divide in two
i dont know b sorry
If there is no oxygen...many cells die....but some can perform cellular respiration without oxygen too.....they are anaerobic. they usually use organic substance to survive !!!
as acidophilic bacteria survive without oxygen in acids ...so !!!
Answer:
<em>The ability of a system or living organism to adjust its internal environment to maintain a state of dynamic constancy; such as the ability of warm-blooded animals to maintain a stable temperature.</em>
Explanation:
<u>HOPE</u><u> IT</u><u> HELPS</u>