Gila monsters are one of two types of venomous lizards in the world. if you wanted to avoid coming across the gila monster when hiking in arizona you would want to avoid and because gila monsters are crepuscular.

As a small change in a person's dna can cause a genetic disorder

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of

The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?