Answer:
Viruses needs to inject the virus to an organism's body, or host cell and duplicate as many viruses, so it can be able to insert it's own clones and take over the body sooner :3
Explanation:
:3
I believe the term for an observable trait of an organism would be called or noted as the organism's phenotype.
Between Japan and China in Korea. Fought over the control of Korea basically.
Well, the food is in the environment. I would like to compare it with how bacteriae feed (however my biology is quite rusty), that is, they engulf their food and they "digest" -- not the proper term, since there are no organs to do real digestion -- it.