The pyramid of energy <span />
Their fur color is very similar to the color of the bark on the eucalyptus tree.
Uracil pairs with adenine in RNA base
<span>Alleles
Each human body is composed of genes, and these usually come in pairs that are slightly different from each other. The different versions of genes are called alleles. Alleles are responsible for determining physical or notable characteristics and traits a specific person has. </span>
