- a) Wallace theory (origin of species)
- b) Thomas Malthus work on population
- c) Origin of species by August Weismann
- d) Lamarck’s theory of acquired characters
Answer: b) Thomas Malthus work on population
Explanation: The ‘Essay on Population’ by Thomas Malthus discusses key topics like – Stability of a population, the limit of natural resources, characteristics of individuals in a population and inheritance of variation. This work of Malthus influenced Darwin’s theory of Evolution and Natural Selection.
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