NCERT Solution | Heredity and Evolution | Class X

1.How evolution is essential for speciation? Ans.: Evolution is a gradual process of accumulation of variations that provide survival advantage.…


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Evolution | Theories of Biological Evolution | Class XII

1. Theory of Inheritance of Acquired Character-By Lamarck (French naturalist) – 1809 Book- Philosophic Zoologique It states that evolution of…

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Darwin’s Theory of Evolution by Natural Selection | Class X

It is known as “Theory of natural selection” or Darwinism. Darwin’s theory of evolution can be summarized as follows: (a)…

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