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प्रश्न
What are objections raised against Darwin's theory?
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उत्तर
Some of the main objections raised against Darwin’s theory of natural selection are as follows:
- Natural selection is not the only factor responsible for evolution.
- In his theory, Darwin did not explain the inheritance of useful and useless modifications.
- No explanation regarding slow and abrupt changes was provided in this theory.
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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.
State the two key concept of Darwinian theory.
Name and define the three types of natural selection.
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.
List any three drawbacks of Darwinism.
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?
Natural selection is called ‘survival of the fittest. Which of the following statements best describes an organism?
Which one of the following statement is correct?
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?
The selective agent that was responsible for causing the change in peppered moth was ______.
Industrial melanism was highlighted by ______.
Mention four main postulates of Darwin's theory.
Define the following term:
Natural selection
