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प्रश्न
Differentiate between Lamarck's Theory and Darwin's Theory.
Differentiate between the Following:
Theories of Darwinism and Lamarckism
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उत्तर
| Lamarck's Theory | Darwin's Theory | |
| 1. | Lamarck's theory is known as the theory of inheritance of acquired characters. | Darwin's Theory is known as the theory of natural selection. |
| 2. | It believes in the use and misuse of organs. Used parts and changes are transmitted to the next generation. | The belief is that individual variances lead to survival of the fittest in the struggle for existence. |
| 3. | New species emerge over time and over multiple generations, acquiring new characteristics. | New species emerge from advantageous mutations that accumulate over time. |
संबंधित प्रश्न
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
Give the scientific name of the organism which is cited as the classical example of "natural selection".
What are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestor?
Species occurring in the different geographical areas are called as ______.
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.
Charles Darwin explained the origin of species through ______.
Which one of the following was not explained by Darwinism?
DDT resistant mosquitoes and different break sizes of African seed cracker finches show ______ type of selection respectively.
