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प्रश्न
The largest unit in which gene flow is possible is :
(1) Organism
(2) Population
(3) Species
(4) Genes
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उत्तर
Population
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संबंधित प्रश्न
State Darwin’s theory of evolution.
List any three drawbacks of Darwinism.
Answer the following question.
Explain ‘fitness of a species’’ as mentioned by Darwin.
In which book Darwin had published his theory of Natural selection?
Natural selection is called ‘survival of the fittest. Which of the following statements best describes an organism?
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 ______.
Define the following term:
Speciation
Differentiate between Lamarck's Theory and Darwin's Theory.
