Q.
If ‘+’ sign is assigned to beneficial interaction, ‘- ’sign to detrimental and ‘O’ sign to neutral interaction, then the population interaction represented by ‘+’ ‘-’ refers to
Parasitism is and association in which one organism (the parasite) lives on
(ectoparasitism) or in (endoparasitism) the body of another organism (host), from which
it obtains its nutrients. This association is beneficial for the parasites as they get
continuous supply of nutrients from their host and are able to rapidly multiply their
numbers. But it is detrimental for the host organism as parasitic infection leads to
various complications and diseases in the host body may also be fatal to him under
certain circumstances