APES Unit 02 Vocabulary Flashcards

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Generalist Species

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Species that can thrive in a wide variety of environmental conditions and can make use of a variety of different resources.

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Specialist Species

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Species that thrive in a narrow range of environmental conditions or have a limited diet.

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Adaptations

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Traits that improve an individual's ability to survive and reproduce in a particular environment.

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Speciation (allopatric)

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The formation of new and distinct species in the course of evolution, occurring when biological populations become isolated.

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Population Density

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The number of individuals per unit area or volume.

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Population Dispersion

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The way in which individuals of a population are spread in an area or a volume.

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Population Size

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The total number of individuals in a population.

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Resistance

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The ability of an ecosystem to remain unchanged when being subjected to a disturbance.

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Resilience

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The ability of an ecosystem to recover after it has been disturbed.

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Primary Succession

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The series of community changes which occur on an entirely new habitat which has never been colonized before.