Unit One Ecology Summative Flashcards

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Endangered species

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Species that are at risk of extinction.

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Extinction

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The state or process of a species, family, or larger group being or becoming extinct.

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Biodiversity

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The variety of life in the world or in a particular habitat or ecosystem.

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Trophic Cascade

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A series of changes in the population sizes of organisms at different trophic levels in a food chain, usually caused by the addition or removal of a key predator.

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Herbivore

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An animal that feeds on plants.

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Invasive Species

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Non-native species that spread beyond their original introduction area and cause environmental or economic damage.

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Limiting Factors

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Environmental conditions that limit the growth, abundance, or distribution of an organism or a population of organisms in an ecosystem.

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Carry Capacity

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The maximum population size of a species that an environment can sustain indefinitely.

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Carnivores

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Animals that feed on other animals.

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Overpopulation

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A condition where an organism's numbers exceed the carrying capacity of its habitat.