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Keystone species need to be conserved as
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By Expert Faculty of Sri Chaitanya
a
they are the most vulnerable group to extinction.
b
they have become rare due to hunting and poaching.
c
they support the survival of many other species.
d
they include only plants which can be protected easily unlike animals.
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Correct option is C
Pisaster is considered a keystone species as removal of it lead to extinction of ten invertebrate species in the rocky intertidal communities of the American Pacific Coast. It is considered a keystone species as it is essential for survival of many others.
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