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Term biology was also given by Lamark and treviranus.

First theory of evolution was proposed by Jean Baptiste de Lamarck(1744-1829) in the book Philosophie Zoologique. Term biology was also given by Lamark and treviranus. As per this theory evolution is a slow and gradual process, which explains and makes us understand the living world around us. This process takes time as it depends upon various factors.

There are various factors which leads to evolution in an organism, some of these are given below:

These acquired characters are inherited from one generation to another. By continuous inheritance from one generation to the next generation tends to make the next generation quite different from its ancestor resulting in the formation of new species.

According to Charles Darwin, the main concept behind evolution is natural selection. This theory was later explained by Darwin in his book ‘On the origin of species by the means of natural selection’(1859). Main Features of the Theory of Natural selection are as follows:

Ans. First theory of evolution was proposed by Jean Baptiste de Lamarck(1744-1829) in the book Philosophie Zoologique. Term biology was also given by Lamark and treviranus. As per this theory evolution is a slow and gradual process, which explains and makes us understand the living world around us. This process takes time as it depends upon various factors.

Ans. Phylum:  Chordata Class:  Vertebrata Order:  Mammalia Subclass:  Eutheria Order:  Primates Suborder:  Anthropoidea Super family:  Hominidae Family:  Hominidae Genus:  Homo Species:  sapiens

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