Answer:
all of these are echinoderms
I believe it's the theory that cells are the building blocks of life and without cells, there would be no life at all. Its also stated cells come from pre-existing cells and each organism has either one or more.
The anwser should be B. Nonrenewable resources generally have a higher impact on the environmental than renewable resources.
starts with sunlight and photosynthesis if you are talking about plants