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  • Stuck here, help me understand: If '+' sign is assigned to beneficial interaction, '-' sign to detrimental and'0' sign to neutral interaction, then the population interactionrepresented by '+' '-' refers to

If '+' sign is assigned to beneficial interaction, '-' sign to detrimental and '0' sign to neutral interaction, then the population interaction
represented by '+' '-' refers to

  • Option 1)

    mutualism

  • Option 2)

    amensalism

  • Option 3)

    commensalism

  • Option 4)

    parasitism

 

Answers (1)

None

As we learnt

Parasitism -

Parasitism is a relationship between species, where one organism, the parasite, lives on or other organisms, the host causing it some harm, and is adapted structurally to this way of life.

- wherein

Many parasites have evolved to be a host-specific (they can parasitise only a single species of host) in such a way that host and the parasite tend to co-evolve; that is, if the host evolves special mechanisms for rejecting or resisting the parasite, the parasite has to evolve the mechanisms to counteract and neutralise.

 

 Parasitism is a relationship between two living organism of different species in which one organism i.e parasite obtain its food directly from the host. In this relationship the parasite is benefitted (t) and the host is harmed (-) so this type of population interaction is represented by (+) and (-)


Option 1)

mutualism

THis is incorrect answer

Option 2)

amensalism

THis is incorrect answer

Option 3)

commensalism

THis is incorrect answer

Option 4)

parasitism

THis is correct answer

Posted by

Vakul

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