Answer:
A
Explanation:
Reptiles arose about 310–320 million years ago during the Carboniferous period.
Most heterotrophs are chemoorganoheterotrophs<span> (or simply </span>organotrophs<span>) who utilize organic compounds both as a carbon source and an energy source. The term "heterotroph" very often refers to chemoorganoheterotrophs. Heterotrophs function as consumers in </span>food chains: they obtain organic carbon by eating autotrophs or other heterotrophs. <span>Most </span>opisthokonts<span> and </span>prokaryotes<span> are heterotrophic</span>
Medulla Oblangata is the part of the brain that controls your heart beat
<span>Organic compounds such as glucose are broken down to release energy during cellular respiration.</span>
