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प्रश्न
Objection to Darwin's theory of natural selection.
Write the objection raised against Darwin's theory of natural selection.
Write any two objections that were raised against Darwin's Theory of Natural Selection.
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उत्तर
- Natural selection is not the only factor responsible for evolution
- Darwin did not mention any explanation about useful and useless modifications
- There is no explanation about slow changes and abrupt changes.
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
Explain Darwinian theory of evolution with the help of one suitable example.
Explain the phenomenon that is well represented by Darwin's finches other than natural selection.
State the two key concept of Darwinian theory.
The largest unit in which gene flow is possible is :
(1) Organism
(2) Population
(3) Species
(4) Genes
The theory of Natural Selection was proposed by
Briefly discuss the Theory of Natural Selection as given by Darwin.
Industrial melanism provides a good example of natural selection. Discuss.
The theory of natural selection for evolution was proposed by ______.
Which concept was not included in Charles Darwin’s theory of Natural Selection?
Natural selection is called ‘survival of the fittest. Which of the following statements best describes an organism?
A basket of vegetables contains carrot, potato, radish and tomato.
Which of them represent the correct homologous structures?
According to Darwin, two different areas within a continent have different species because they have different:
Origin of species was written by:
Theory of natural selection dwells on:
Match List - I with List - II.
| List - I | List II | ||
| (a) | Adaptive radiation | (i) | Selection of resistant varieties due to excessive use of herbicides and pesticides |
| (b) | Convergent evolution | (ii) | Bones of forelimbs in Man and Whale |
| (c) | Divergent evolution | (iii) | Wings of Butterfly and Bird |
| (d) | Evolution by anthropo- genic action | (iv) | Darwin Finches |
Choose the correct answer from the options given below.
What are the key concepts in the evolution theory of Darwin?
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
Industrial melanism was observed in ______.
The selective agent that was responsible for causing the change in peppered moth was ______.
Charles Darwin explained the origin of species through ______.
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.
Define the following term:
Speciation
Define the following term:
Natural selection
DDT resistant mosquitoes and different break sizes of African seed cracker finches show ______ type of selection respectively.
