LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Natural selection is
A
survival of the fittest
B
humans change
C
two species are the same
D
more animals survive
Explanation: 

Detailed explanation-1: -The survival of the fittest theory was put forward by Charles Darwin and he suggested that the organisms best adapted to the environment are more likely to survive and reproduce. Natural selection: It is a key feature of evolution that was proposed by Charles Darwin.

Detailed explanation-2: -"Survival of the fittest” is a popular term that refers to the process of natural selection, a mechanism that drives evolutionary change. Natural selection works by giving individuals who are better adapted to a given set of environmental conditions an advantage over those that are not as well adapted.

Detailed explanation-3: -Natural selection is sometimes summed up as “survival of the fittest” because the “fittest” organisms-those most suited to their environment-are the ones that reproduce most successfully, and are most likely to pass on their traits to the next generation.

Detailed explanation-4: -survival of the fittest, term made famous in the fifth edition (published in 1869) of On the Origin of Species by British naturalist Charles Darwin, which suggested that organisms best adjusted to their environment are the most successful in surviving and reproducing.

Detailed explanation-5: -The Principles of Biology by Herbert Spencer (1864) looked at biology in terms of themes, such as Function, Adaptation and Variation. In this book Spencer introduced the expression ‘survival of the fittest’, in the sense of ‘the most appropriate to its environment’.

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