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write a short note on theory …

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write a short note on theory of evolution by charles darwin

    • Posted by Sahil Khan 7 years, 1 month ago

    CBSE > Class 06 > Social (OLD)
    • 1 answers

    Yogita Ingle 7 years, 1 month ago

    Darwin Darwin had the following ideas regarding the theory of natural selection:

    • Species keep on evolving or changing with time. As the environment changes, the requirements of an organism also change and they adapt to the new environment. This phenomenon of changing over a period of time as per the natural requirements is called adaptation.
    • As per Darwin’s theory, only the higher changes are naturally selected and the lower ones are eliminated. Thus, not all the adaptations contribute to a progressive evolution. For example, people living in tropical countries have more melanin in their body to protect them from the sunlight.

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