The cycle then repeats itself as precipitation falls
The properties of carbon make it the backbone of the organic molecules which form living matter. Carbon is a such a versatile element because it can form four covalent bonds. ... Organic molecules important for life include relatively small monomers as well as large polymers.
It was during the Paleozoic Era that plants (first known from microfossils called cryptospores that appear in the mid-Ordovician, about 470 million years ago; Wellman and Gray 2000) and animals (known from Silurian fossils, at least 423 million years ago; Wilson and Anderson 2004) began to colonize the land
Answer:
A
Explanation:
Bacteria use binary fission but viruses don't
