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Ecosystems — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYEcosystems1 Mark
MCQ
Keystone species are:
  • A
    Species belonging to same period
  • B
    Species that determine structure of biotic community
  • C
    Species reproducing sexually
  • D
    Species recorded only in the fossil state
✓

Answer

  1. Species that determine structure of biotic community

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