Nurturing Life Sciences
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#XL - Q Biochemistry
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#XL - T Zoology
Darwin’s evolutionary theory
Evolution as such is the simple proposition that the characteristics of organisms change over time.
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Postulate of Darwin
Geometric increase
Limited food & Space
Struggle for existence
Variation
Natural selection
Inheritance of useful characters
Speciation
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Alfred Russel Wallace - Who was collecting specimens in the Malay Archipelago, had independently conceived of natural selection