<span>B is the correct answer. Multicellular organisms, as with almost all organisms, begin life as a single cell. The increase in the number of cells can be as a result of cell division or cells combining together. </span>
the answer would be A. DNA ligase if you have plato. lol d; :D...your welcome.
I believe the correct answer is homeostasis.
I think they can help the birds my the climate