Biological species concept emphasizes on

  • A

    Geographical isolation

  • B

    Reproductive isolation

  • C

    Physiological isolation

  • D

    None

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Column- 1 Column-2 (Brain Capacity)
$(P)$ Homo eractus $(a)\; 1400 \;cc$
$(Q)$ Homo habilis $(b)\; 900 \;cc$
$(R)$ Neanderthal Man $(c)\; 650-800 \;cc$
$(S)$ Modern Homo Sapience