The answer is C. Fertilization. hope I helped.
Answer:
Nonliving aspects of an ecosystem are known as (Abiotic)
They are passed through reproduction
<span>Each of the protein chains are conjugated to a nonprotein heme group.Hemoglobin is
the protein that's made of the four polypeptide chains. Each of these chains contains a heme group. Red blood cells are primary players in the oxygen hauling, and they wouldn't be able to do their job if it the weren't for a special molecule called the heme.</span>
