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प्रश्न
Write a short note based on the information known to you.
Darwin’s theory of natural selection.
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उत्तर
- Darwin is famous for the theory which he published in the book titled ‘Origin of Species’.
- Darwin’s theory of natural selection is based on the concept of survival of the fittest.
- Organisms can reproduce prolifically.
- Under limited resources, organisms compete with one another in a life-threatening manner for survival.
- According to this theory, only those organisms survive which show modifications for winning the competition. The selected organisms then give rise to new species with their specific set of characters.
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संबंधित प्रश्न
Name the scientist who influenced Darwin and how ?
Give the principles of Darwin's theory of natural selection.
How do the observations made during moth collection in pre- and post- industrialized era in England support evolution by Natural Selection?
Explain the phenomenon that is well represented by Darwin's finches other than natural selection.
Answer each question in ‘One’ sentence only:
Identify which one of the following is a test cross.
The theory of Natural Selection was proposed by
Give the scientific name of the organism which is cited as the classical example of "natural selection".
In which book Darwin had published his theory of Natural selection?
Natural selection is a driving force for evolution-How?
Differences between organisms in a species are described as variations. Which of the following would you describe as a continuous variation?
Which one of the following statement is correct?
The ship on which Darwin was appointed as Naturalist was:
Species occurring in the different geographical areas are called as ______.
Who proposed the theory of survival of the fittest?
Mention Darwin's observations made on finches during his visit of Galapagos Islands. Write the explanation given by Darwin on his observations.
Write drawbacks of Darwin's theory
The famous book "The Origin of Species" was written by ______.
DDT resistant mosquitoes and different break sizes of African seed cracker finches show ______ type of selection respectively.
