The beaver works as a keystone species in an ecosystem by creating wetlands that are used by many other species. Next to humans no other extant animal species appears to do more to alter the shape of its landscape. http://ift.tt/1MfVhjK

The beaver works as a keystone species in an ecosystem by creating wetlands that are used by many other species. Next to humans no other extant animal species appears to do more to alter the shape of its landscape. http://ift.tt/1MfVhjK

50 million bison once roamed the American Prairie before being hunted to the brink of extinction. Today this keystone species is making a comeback.

50 million bison once roamed the American Prairie before being hunted to the brink of extinction. Today this keystone species is making a comeback.

Mangrove Crabs are considered keystone species for many reasons: they are very important in stabilizing the ecosystem.

Mangrove Crabs are considered keystone species for many reasons: they are very important in stabilizing the ecosystem.

The Alaska brown bear and salmon, as seen in the Bernard Family Hall of North American Mammals, are commonly identified as “keystone species,” organisms that have a disproportionately large effect on the surrounding habitat: take the top out, and like a stone archway, the whole thing falls apart.

The Alaska brown bear and salmon, as seen in the Bernard Family Hall of North American Mammals, are commonly identified as “keystone species,” organisms that have a disproportionately large effect on the surrounding habitat: take the top out, and like a stone archway, the whole thing falls apart.

Male Gopher tortoises ( Duke it out ) .........The gopher tortoise (Gopherus polyphemus) is a species of the Gopherus genus native to the southeastern United States. The gopher tortoise is seen as a keystone species because it digs burrows that provide shelter for at least 360 other animal species. They are threatened by predation and habitat destruction.  The gopher tortoise is a representative of the genus Gopherus, which contains the only tortoises native to North America. This species of…

Male Gopher tortoises ( Duke it out ) .........The gopher tortoise (Gopherus polyphemus) is a species of the Gopherus genus native to the southeastern United States. The gopher tortoise is seen as a keystone species because it digs burrows that provide shelter for at least 360 other animal species. They are threatened by predation and habitat destruction. The gopher tortoise is a representative of the genus Gopherus, which contains the only tortoises native to North America. This species of…

One of our favorite "keystone species' is the oyster! Fascinating to read how they fill such a large role in their ecosystem!

One of our favorite "keystone species' is the oyster! Fascinating to read how they fill such a large role in their ecosystem!

This activity defines and describes what a keystone species is and gives examples of different types.  After the content portion there is a basic essay assignment that can be used for assessment.  Possum O’Pouch Discussion Area: When you purchase any Possum O'Pouch resource you can be enrolled in our Blackboard Group, just send your name and e-mail address to possumopouch@gmail.com and we will send an invitation.

Keystone Species Activity

This activity defines and describes what a keystone species is and gives examples of different types. After the content portion there is a basic essay assignment that can be used for assessment. Possum O’Pouch Discussion Area: When you purchase any Possum O'Pouch resource you can be enrolled in our Blackboard Group, just send your name and e-mail address to possumopouch@gmail.com and we will send an invitation.

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