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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.
Name the scientist who influenced Darwin and how ?
Explain the phenomenon that is well represented by Darwin's finches other than natural selection.
All organisms produce more young ones. Comment
Answer each question in ‘One’ sentence only:
Identify which one of the following is a test cross.
Give the scientific name of the organism which is cited as the classical example of "natural selection".
Industrial melanism provides a good example of natural selection. Discuss.
Answer the following question.
How did Charles Darwin express 'fitness'?
Identify the two organisms which are now extinct and are studied from their fossils.
The more characteristics two species have in common ______
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?
What is the ancient name for all human beings?
Select the correct statement.
Which of the following sequences fits into the organic evolution theory proposed by Charles Darwin and Alfred Wallace?
Which one of the following statement is correct?
Origin of species was written by:
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.
Who proposed the theory of survival of the fittest?
Distinguish between directional, stabilizing and disruptive selection.
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.
