Question

The parasites harm the host by 

(a) reducing the survival, growth and reproductive ability of the host 

(b) reducing its population density 

(c) might render the host more vulnerable to predation by making it physically weak 

(d) All of the above

Answer 1

Correct option: (d) All of the above

The parasites harm the host by reducing the survival, growth and reproductive ability of the host. It reduces the host population density. It might also render the host more vulnerable to predation by making it physically weak.