One adaptation that is unique to marine mammals is they nurse their young.. The correct option among all the options that are given in the question is the fourth option or the last option or option "d". I hope that this is the answer that you were looking for and the answer has come to your desired help.
Answer:
Phase of the cell cycle in which cells grow, duplicate organelles, and synthesize DNA.
S phase
Explanation:
DNA replication occurs in synthesis or in the S phase of the cell cycle. Each chromosome is copied with high fidelity in a process that involves a large number of enzymes. In this process the double strand of DNA breaks down and each individual strand is used as a template for the production of the complementary one. The result is the production of two identical copies of the genetic material.
The observation from the first question would tend to disprove the idea that evolution is based on b. inheritance of acquired characteristics because according to the experiment <span>theory of <span>adaptation was taken as a basis.
The answer for the next question is definitely adaptation as at first every live -being should get used to its environment in order to develop and so on.</span></span>