The answer is B I believe
Answer:
9 : 3 : 3 : 1
Explanation:
If you want to be sure test this ratio, if you multiply 84 by 3, it nearly give you 242. Why by 3 ? Simple, just because the multiple of 9 : 3 is 3.
Parasitism
Parasitism can be defined
as a relationship between species in which one organism (parasite) lives on or
in another organism which is the host, causing it some harm without immediately
killing it. Thus, parasitism is a kinds of close, symbiosis and persistent
biological interactions.
