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 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…
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 email@example.com and we will send an invitation.