Question

Write short notes based upon the information known to you


Darwin's theory of natural selection.​

Answer 1

Answer:

more indivisuals are produced each generation that can survive

Explanation:

Phenotypic variation exist among indivisuals and the variation is heritable . Those indivisuals with heritabke traits better suited to the environment will survive.

Answer 2

Answer:

Charles Darwin had collected innumerable specimens of plants and animals and depending upon the observation of those specimens he published the theory of natural selection which preaches the survival of fittest. Darwin had published a book entitled Origin of species.Darwin says that all the organisms reproduce prolifically.All organisms compete with each other in a life threatening manner.

in this competition only those organisms sustains which shows the modification essential for winning the competition..

natural selection also plays important role bcoz nature selects organisms which are fit to live and the rest perish. Darwin theory of natural selection was widely accepted for long duration. some objection were raised against the theory

1.natural selection is not only factor responsible for evolution.

2.darwin did not mention any explanation about useful and useless modification.

there is no explanation about slow changes and abrupt changes.