I think it'd be B.. I might be wrong tho..
I think I understand your question, but you question has so many errors in it that it doesn't really make sense.
Answer:
9:enforcement terrorism, 10:true,11:true
Theres your answer look at the photo
Answer down below:
If a deer population starts eating all the plants in a specific area, the plants, of course will kill the plants. But also, once all the plants will run out, all the organisms and deer will eventually die out.