Natural selection explains the survival of organisms better adapted to their environment.

Q. According to Darwin's theory of natural selection, the organisms that adapt themselves better to the environment

Q. Assertion :As favourable variations are transmitted from generation to generation, successive generations become better adapted to the environment, more over, new adaptations may arise due to changing environment. In this way, the adaptive traits preserved by natural selection, will gradually change the characteristics of a species. Reason: This explains the origin of species.

Q. Which of the following statements about natural selection are correct?
(i) Natural selection tends to increase the characters that enhance survival and reproduction.
(ii) Individuals with better adaptive ability will produce more progeny.
(iii) Was considered as a mechanism of evolution by Darwin.

Q. The adaptations in organisms based on their surroundings decrease their chances of survival.

Q. With respect to the Darwin's theory of natural selection, which of the following is true for the organisms that are best suited to their environment?