What are keystone species and why are they important? - National Environmental Treasure
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A keystone species is a plant, animal, fungi, or even bacteria that has a disproportionately large impact on their ecosystem.

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Desert Tortoises are a keystone - Get Outdoors Nevada

Keystone Species

Keystone species

Role of Keystone Species in an Ecosystem

Role of Keystone Species in an Ecosystem

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Role of Keystone Species in an Ecosystem
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