Question

Enumerate (six any point) the basis of Darwin theory of natural selection.​

Answer 1

Explanation:

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.

Answer 2

Key points:

1. Charles Darwin was a British naturalist who proposed the theory of biological evolution by natural selection.
2. Darwin defined evolution as "descent with modification," the idea that species change over time, give rise to new species, and share a common ancestor.
3. The mechanism that Darwin proposed for evolution is natural selection. Because resources are limited in nature, organisms with heritable traits that favor survival and reproduction will tend to leave more offspring than their peers, causing the traits to increase in frequency over generations.
4. Natural selection causes populations to become adapted, or increasingly well-suited, to their environments over time. Natural selection depends on the environment and requires existing heritable variation in a group.

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