The answer is natural selection.
In natural selection, genotype variations that will increase the chance
of survival and reproduction of some organism are preserved and will be
inherited. Red and green colors of butterflies increased the chance of their <span>survival and reproduction, so these traits will pass to the next generation.</span>
We would have a hard time moving and your heart and other major organs would be easier to damage
carbon have high catination property means self linking property
<span>It is a way to camouflage the squirrel in a changing habitat.</span>