Extinction Flashcard

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What is extinction?

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Extinction is the permanent loss of a species from Earth, meaning that no individuals of that species remain.

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How many mass extinctions have occurred on Earth?

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There have been 5 mass extinctions in Earth's history.

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What is Binomial nomenclature?

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Binomial nomenclature is a two-part naming system for organisms, consisting of the genus name followed by the species name.

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What is the scientific name of the American Black Bear?

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Ursus americanus.

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What global factor impacts species the most?

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Climate change impacts species at a global level.

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List the levels of biological classification from largest to smallest.

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Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.

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What is biodiversity?

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Biodiversity refers to the variety of life in a particular habitat or ecosystem.

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Which ecosystems typically have the highest biodiversity?

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Tropical rainforests and coral reefs are known for having the highest biodiversity.

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What is habitat destruction?

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Habitat destruction is the process in which natural habitat is rendered unable to support the species present.

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What are invasive species?

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Invasive species are non-native organisms that spread widely in a new habitat, often harming native species.