If $'+'$ sign is assigned to beneficial interaction, $'-'$ sign to detrimental and $'O'$ sign to neutral interaction, then the population interaction represented by $'+'\, '-'$ refers to

  • [NEET 2016]
  • A

    mutualism

  • B

    amensalism

  • C

    commensalism

  • D

    parasitism.

Similar Questions

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  • [AIPMT 2010]