A dichotomous key is a 2 choice key. I believe this is the solution.
Artificial selection is a process during which humans intentionally breed organisms with desirable traits. The answer is B.
I believe it's B and C because "Chloroplast" and "Vesicle" are found in plants not animals
A tumor that invades surrounding tissues, is usually capable of producing metastases, may recur after attempted removal, and is likely to cause death unless adequately treated.
Answer: to provide nutrition, transport pathways for water and support plant’s body
