Summary of Theory of Natural Selection

Descrição

7 points, linked to the topic on evolution and Darwin's theory and natural selection. From school notes.
J Y Wong
FlashCards por J Y Wong, atualizado more than 1 year ago
J Y Wong
Criado por J Y Wong aproximadamente 11 anos atrás
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Resumo de Recurso

Questão Responda
Overproduction More offspring produced than will ultimately survive and reproduce.
2. Variation Inheritable features vary from individual to individual.
3. Change in environment Changes in climate, topography, food supply, predators, etc.
4. "Survival for existence" Mainly competition within the species, for food, habitat, survival from being eaten.
5. "Survival of the fit" (not necessarily the strongest) Those with more adaptive traits tend to survive longer and/or produce the most offspring; these are the naturally selected
6. Inheritance of "selected" features Traits involved are already inheritable, but may involve new combinations.
7. New species, better adapted to the new environment When the collective traits of the environment differ significantly from the earlier population, and can no longer reproduce with the earlier population.

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