Answer:
Mutations generate the variation on which natural selection acts. the change in DNA sequence may even turn out to be beneficial to the organism. has a deleterious affect on the phenotype of the offspring, the mutation is referred to as a Every genetic feature in every organism was, initially, the result of a mutation.
Explanation:
Skin,mouth and sometimes they have gills which they absorb oxygen
Answer:
Diploid is the answer you are looking for.
Explanation: