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  1. Dictionary
    key·stone spe·cies

    noun

    • 1. a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.

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  2. www.nationalgeographic.org › encyclopedia › keystone-speciesKeystone Species - National Geographic Society

    Oct 19, 2023 · Learn what a keystone species is and how it affects its ecosystem. Find out the types of keystone species, such as predators, engineers, and mutualists, and see examples of each.

  3. biologydictionary.net › keystone-speciesKeystone Species - Definition and Examples | Biology Dictionary

    Dec 25, 2017 · Learn what keystone species are and how they affect ecosystems. See examples of keystone species such as sea otters, lions, and sea stars, and test your knowledge with a quiz.

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  5. en.wikipedia.org › wiki › Keystone_speciesKeystone species - Wikipedia

    A keystone species is a species that has a disproportionately large effect on its natural environment relative to its abundance. The concept was introduced in 1969 by the zoologist Robert T. Paine.

  6. www.britannica.com › science › keystone-speciesKeystone species | Predator-prey relationships, Ecosystem balance...

    Jun 27, 2024 · Keystone species are species that have a disproportionately large effect on the communities in which they live. Learn how keystone species maintain biodiversity, such as sea otters in kelp forests, starfish in rocky intertidal zones, and figs in tropical forests.

  7. sciencenotes.org › keystone-species-definition-examplesKeystone Species - Definition, Examples, Importance - Science...

    May 6, 2023 · Learn what a keystone species is and how it affects its ecosystem. Find out the types, examples, and importance of keystone species in ecology and conservation.

  8. www.nationalgeographic.org › article › role-keystone-speciesRole of Keystone Species in an Ecosystem - National Geographic...

    Oct 19, 2023 · Learn how keystone species are organisms that help define and shape entire ecosystems. See examples of keystone predators, herbivores, and mutualists in different habitats and how they influence food webs and biodiversity.

  9. www.activewild.com › keystone-speciesKeystone Species Examples; List With Pictures & Interesting Facts

    Jun 24, 2024 · Keystone species are species that hold an ecosystem together; without them, the ecosystem wouldn’t function. Some keystone species are predators, some are herbivores, but whatever their place in the food chain, all of the other species in the ecosystem rely on them.