LIFE SCIENCE

Detailed explanation-1: -Q. Modern whales developed their traits through natural selection. What occurs during the process of natural selection? Organisms remain exactly the same over time.

Detailed explanation-2: -How does natural selection work? In natural selection, genetic mutations that are beneficial to an individual’s survival are passed on through reproduction. This results in a new generation of organisms that are more likely to survive to reproduce.

Detailed explanation-3: -The whales with this mutation were more suited to the sea environment (where the food was) than “normal” whales, so they thrived and reproduced, passing on this genetic mutation to their offspring: Natural selection “chose” this trait as favorable.

Detailed explanation-4: -Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.

Detailed explanation-5: -Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others.