State the salient points of Darwin’s theory of Natural selection. What is Neo Darwinism?
Answers
Answer:
1. Any group of population of an organism has variations and all members of group are not identical.
2. Variations may be passed from parents to off spring through heredity.
3. The natural selection over the abundance of offspring leads to a constant struggle for their survival in any population.
4.individuals with variations that help them to survive and produce tend to live longer and have more of spring than organisms with less useful features .
5.The off spring of survivors inherit the useful variations, and the same process happens with every new generation until the variation becomes a common feature.
6.As the environmental changes, the organism with in the environment adapt and changes to the new living conditions.
7.Over a long period of time each species of organism accumulate , so many changes that become a new species, similar to distinctly different from the original species. all the species from the earth arrive in this way.
8.Evolution is a slow and continuous process that involves several thousands of generations.
Explanation:
Neo darwinism:
It is a modern version of Darwin theory of evolution by natural selection incorporating the finding of genetics.
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