Global Environment - Chapter 4 notes

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Natural Selection:

The process of better-selected individuals passing their traits to the next generation is called natural selection. Usually though not always the dominant individual gets rights to reproduce.

Tolerance limit:

Minimum and maximum level beyond which a particular species cannot survive or is unable to reproduce.

Habitat and ecological niches:

Habitat is a place or set of environmental conditions in which a particular organism lives

Ecological niche describes the role played by a species