Darwin's theory as presented in "The origin of Species" is mainly concerned with:
Correct answer: A. How new species arise
- A. How new species arise
- B. How adaptations evolve
- C. The origin of life
- D. The genetics of evolution
Explanation
Darwin perceived the origin of new species and adaptations as closely related processes. A new species would arise from an ancestral form by the gradual accumulation of adaptations to different environments. separated from the original habitat by geographical barriers. Over many generations, the two populations could become dissimilar enough to be designated as separate species. This is apparently what happened to the Galapagos finches.
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About Evolution
Evolution describes heritable change in populations over generations through variation, natural selection and adaptation. Lamarckism explains inheritance of acquired characteristics, while Darwinism explains selection of favourable inherited variations; these historical explanations must not be confused with the modern genetic account of evolutionary change.
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Darwin was greatly influenced by:
Origin of species by Natural Selection included all, EXCEPT:
Pick up the one not true about the finches collected by Darwin on the Galapagos:
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