If + sign is assigned to beneficial interaction - sig
![If + sign is assigned to beneficial interaction - sig](/img/relate-questions.png)
| If '+' sign is assigned to beneficial interaction, ' - ' sign to detrimental and '0' sign to neutral interaction, then the population interaction represented by '+' '-' refers to
A. Commensalism
B. Parasitism
C. Mutualism
D. Ammensalism
Please scroll down to see the correct answer and solution guide.
Right Answer is: B
SOLUTION
Parasitism is a non-mutual relationship between species, where one species, the parasite, benefits at the expense of the other, the host.
So if '+" is assigned to beneficial interaction '-' sign to detrimental and '0" sign to neutral interaction, then the population interaction represented by "+". "-" refers to parasitism.