Answer:
Animal and humans
if im right pls give brainliest
Explanation:
The structure of DNA is called a double helix because DNA is made up of two strands of nucleotides wound together in a spiral.
DNA has two strands that run opposite of each other and twist together much like a twisted ladder. Each backbone of the ladder is made up of alternating groups of sugar and phosphate groups.
Bones serve as the scaffolding for the muscle
Natural selection<span> is the differential survival and reproduction of individuals due to differences in </span>phenotype<span>. It is a key mechanism of </span>evolution<span>, the change in </span>heritable traits<span> of a </span>population<span> over time. </span>Charles Darwin<span> popularised the term "natural selection", and compared it with </span>artificial selection<span>.</span>