Question

(I know this question is not referred to COMPUTER science, but it's science and this is the closest topic to the ?)
In which symbiotic relationship does one organism benefit while the other organism is harmed?
A. mutualism
B. Commensalism
C. parasitism
D. competition

Answer 1

Can someone please help me...

Answer 2

mosquitoes are parasites that exhibit parasitism when then suck blood from their hosts, the mosquito benefits, where as the host is harmed

Answer 3

http://en.wikipedia.org/wiki/Parasitism ^

Answer 4

It's parasitism.

Answer 5

thanks everyone :)