Answer:
<u><em>The correct option is C) genetic variation</em></u>
Explanation:
Genetic variation can be described as the differences present in the genetic material i.e DNA of organisms present in a population. Genetic diversity allows organisms of a species to better adapt to an environment. A population in which the genetic variability is scarce might become wiped out by a disease or an invading predator.
As the birds show different variations hence the term that best described them is genetic variation.
<h2>540 million years ago
</h2>
Paleozoic.
Era immediately follows Precambrian It lasted about 4.5 billion years.
When did abundant fossil evidence first appear in the geologic record.
540 million years ago.
<span><span>A plant that, when self-fertilized, only produces offspring with the same traits.</span></span>
Answer:
yes, it could be something that's old or something rats cant eat/drink
Explanation:
Answer:It helps with the global warming problem
Explanation:Carbon traps heat so if we release to much of it the earth is gonna get hotter melting polar ice caps causing the sea level to rise if we don't stop that water is gonna cover a lot more of the earth
