Describe what happens when a keynote species is removed from an ecosystem

Removal of keynote species from an eco-system can lead to the existence  of the system in danger.

Explanation:

There are certain keynote species in the eco-system which has an important role to play in the survival of other species. The removal of these species can put the eco-system in danger. The keynote species helps to maintain the ecosystem by keeping it in harmony.

An ecosystem may cease to exist or can be taken over by a completely different kind of species by breaking the direction of the system if one of its keynote species is removed.

Keynote species can be divided into three groups by scientists-

(i) Predators: helps in controlling the population of the prey species by affecting the numbers of plants and animals in the food web, like- tiger sharks

(ii) Ecosystem engineers: an organism that creates or demolishes a club of species, like- beaver and

(iii) Mutualists: The interaction of two or more species for their own benefit, such as- bees.

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