A phosphate group and single nitrogen containing based
<span>These
islands have different ecologies and most are not connected to each other by landmass.
Therefore, the organism adapt to each of the different ecologies on their
islands. These populations were physically separated due to lack of connection
to each other and would not breed randomly. They therefore formed different species
by allopatric speciation.</span>
Red blood cells exchange carbon dioxide for oxygen
Answer:
30 chromosomes: the blood cells are somatic cells too
Answer:
d. It also includes , breathing, digestion, swallowing