Advertisements
Advertisements
प्रश्न
Write a short note based on the information known to you.
Darwin’s theory of natural selection.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Name the scientist who influenced Darwin and how ?
Explain the interpretation of Charles Darwin when he observed a variety of smallblack birds on Galapagos Islands.
Give the principles of Darwin's theory of natural selection.
Objection to Darwin's theory of natural selection.
Explain the phenomenon that is well represented by Darwin's finches other than natural selection.
What is "fitness of an individual" according to Darwin?
Name and define the three types of natural selection.
Give the scientific name of the organism which is cited as the classical example of "natural selection".
Briefly discuss the Theory of Natural Selection as given by Darwin.
State Darwin’s theory of evolution.
Identify the two organisms which are now extinct and are studied from their fossils.
The more characteristics two species have in common ______
What are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestor?
What are the key concepts in the evolution theory of Darwin?
Distinguish between directional, stabilizing and disruptive selection.
Which one of the following was not explained by Darwinism?
The famous book "The Origin of Species" was written by ______.
Mention four main postulates of Darwin's theory.
DDT resistant mosquitoes and different break sizes of African seed cracker finches show ______ type of selection respectively.
