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प्रश्न
Differentiate between Lamarck's Theory and Darwin's Theory.
अंतर स्पष्ट करें
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. |
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संबंधित प्रश्न
State Darwin’s theory of evolution.
Explain the evolution of the long neck of giraffe according to Charles Darwin.
Answer the following question.
Explain ‘fitness of a species’’ as mentioned by Darwin.
What are objections raised against Darwin's theory?
The ship on which Darwin was appointed as Naturalist was:
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.
Nature has a way of causing organisms that inherit advantageous traits to survive and reproduce more successfully than the ones that do not. This process is known as ______.
Define the following term:
Speciation
