Which of these is not one of the four components of natural selection?
a. Struggle for variance
b.Differential survival and reproduction
c. Overproduction of offspring
d. Genetic variation
Answers
Answer: Correct option is
D
According to Darwinism, the correct sequence of events in the origin of species: Struggle for existence, variations and their inheritance, survival of the fittest and natural selection.
Darwin claimed that there was a continual 'struggle for existence' in nature, in which only the fittest would survive.
Variation, a term used in genetics, refers to a genetic event that causes the individuals or groups of a certain type or species to possess different characteristics from one another. Darwin thought that there was no limit to variations.
Charles Darwin suggested “survival of the fittest” where the individuals that are best equipped to survive and reproduce perpetuate the highest frequency of genes to descendant populations. This is the principle known as “survival of the fittest,” where fitness denotes an individual’s
Explanation:
genetic