Question

Blogs about darwins theory of evolution by natural selection

Answer 1

Charles Robert Darwin gave the theory of evolution in his famous book THE ORIGIN OF SPECIES the theory of evolution proposed by Darwin is known as the theory of natural selection.
this theory state that the best adopted organisms as are selected by nature to pass on their characteristics to next generation

Answer 2

this theory explains that the survival of individual among the given species is determined by habitable phenotypic difference is that are acquired due to evolution. It states that, the individual with the best of better suited phenotypic characters will survive in the environment.

OR

Theory of evolution by natural selection was proposed by Charles Darwin. Darwin's theory of evolution by natural selection states that all living organisms descend from  common ancestor by exhibiting variations over along period of time or through generations by generations. The Darwinian theory is also often referred to as Darwinism.
a) Darwin pointed out that all animals and plants have enormous fertility.
b) Struggle for existence.
c)  Variation and heredity
d) Survival of the fittest
e) Adaptation to the environment

Darwinism does not support certain aspects and therefore it could not explain the same.
*Progression,
*Presence of vestigial organs in organisms
*Retrogression
*Usage of all the organs