Natural selection is where positive traits survive more, allowing those to become more common. Mutation is where radioactivity changes genes in a random way. Natural selection allows positive mutation to become more common. Adaptation is where natural selection works for a species specifically more a new habitat.
D.) 70% mammals are 70 percent water
Explanation:
A protein is a linear molecule comprised of amino acids.The sequence of a protein's amino acids is determined by the sequence of bases in the DNA coding for the synthesis of this protein.
Explanation:
The modern theory of chemical evolution is based on the assumption that on a primitive earth a mixture of simple chemicals assembled into more complex molecular systems, from which, eventually came the first functioning cell(s).