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Increasingly (in the article about the benefits of species), there is evidence o

ID: 108147 • Letter: I

Question

Increasingly (in the article about the benefits of species), there is evidence of the importance of rare species to ecosystem function. This evidence comes from multiple habitats and has been shown both theoretically and experimentally. The largest study of this kind investigated the diversity of unique functional traits represented by rare species in coral reef fishes, alpine plants, and tropical trees. In each system, rare species represented large portions of the functional traits present, leading the authors to emphasize the importance of rare species conservation.

Given this statement we would/might consider these rare species as _______________ to the ecosystem.

Directional.

Explanation / Answer

Keystone

Keystone species is a species that has very large effect on its environment surrounding it.

Because when a keystone species is removed from a habitat and then that habitat changes dramatically and many other species will also be affected and some may also result in extinct.