Evolution

Types of natural selection


Watch this video for the topic from 34:56 to 40:42

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  • ⇒ Types of Natural selection :
  • Natural selection is the most important causal mechanism of Evolutionary change pro founded by Darwin and Wallace, which results from differential reproduction.
  • Evidences in favour of Natural selection are listed below
    ⇒ reproduction rate; ⇒ Limitation of resources; ⇒ struggle for existence ⇒ Abundance of variations.
  • Natural selection is the differential survival and reproduction of individuals due to differences in phenotype, which is the key mechanism of evolution.