Natural Selection, as described by Charles Darwin
Mitosis<span> plays an important part in the life cycle of most living things, though to varying extents. In unicellular </span>organisms<span> such as bacteria, </span>mitosis<span> is a type of asexual reproduction, making identical copies of a single cell. In </span>multi cellular organisms,mitosis<span> produces more cells for </span>growth<span> and </span>repair<span>.</span><span />
Answer: the correct option is : highly developed cell- cell communication.
Explanation: In complex multicellular organisms, cell - cell communication also known as cell signalling is part of any communication process that leads basic activities of cells and coordinates multiple cell functions.
B. The ability to respond to the environment good decision