Question

What is Key Stone Species

Answer 1

Answer:

type of ecosystem, a keystone species is an organism that helps hold the system together. Without its keystone species, ecosystems would look very different. Some ecosystems might not be able to adapt to environmental changes if their keystone species disappeared. That could spell the end of the ecosystem, or it could allow an invasive species to take over and dramatically shift the ecosystem in a new direction.

Some examples of keystone species include the bison, prairie dog, and otter. These are keystone species because they have great affect on their ecosystem, and without them, the ecosystem would change or suffer

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Answer 2

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Key stone species :-

In some organisms there are long lasting changes which maintain their environment. It is known as 'key stone species'. this species plays an important role for the control of other species. Elephant and crocodile are important key stone species. Elephant takes twigs and bark of tree as food and damages roots. In this way if checks the grassland of Forest where there is maximum number of grazing animals.

While crocodile makes a pit in marshy land by swimming movement so that many fishes and other aquatic animals save their lives by living in pits.