Question

Question 18
According to the evolutionary theory, the formation of a new species is generally due to

(a) sudden creation by nature
(b) accumulation of variations over several generations
(c) clones formed during asexual reproduction
(d) movement of individuals from one habitat to another

Answer 1

(b) accumulation of variations over several generations

Evolutionary theory is a theory of biological evolution developed by Charles Robert Darwin and others, stating that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce. It occurs due to the accumulation of variations over several generations.