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keystone species
/kˈiːstoʊn spˈiːsiːz/
/kˈiːstəʊn spˈiːsiːz/
Keystone species
01
a plant or animal that plays a very important role in keeping the balance of its environment, and if it disappears, many other living things can be affected
Examples
Sea otters are a keystone species because they help control sea urchin numbers.
Wolves are seen as a keystone species in some forests.
