Match the following population interactions with their respective signs and descriptions:
Interaction Type Sign Description
$(a)$ Parasitism $(i) -, 0$ $(A)$ Both get benefitted
$(b)$ Amensalism $(ii) -, -$ $(B)$ One gets harmed,other has no effect
$(c)$ Competition $(iii) +, -$ $(C)$ Both get harmed
$(d)$ Mutualism $(iv) +, +$ $(D)$ One is harmed and second is benefited

  • A
    $a-iii-D, b-i-B, c-ii-C, d-iv-A$
  • B
    $a-ii-C, b-i-B, c-iii-D, d-iv-A$
  • C
    $a-iii-D, b-i-A, c-ii-C, d-iv-B$
  • D
    $a-iii-A, b-i-B, c-ii-D, d-iv-A$

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