MCQ
Keystone species deserve protection because these
  • A
    are capable of surviving in harsh environmental conditions
  • B
    indicate presence of certain minerals in the soil
  • C
    have become rare due to overexploitation
  • play an important role in supporting other species

Answer

Correct option: D.
play an important role in supporting other species
d
Keystone species has disproportionate effects on its environment relative to its biomass. Such species play a critical role in maintaining the structure of an ecological community and help to determine the types and numbers of various other species in the community

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