To me the diagram looks like the answer "C. ATP," but I could be wrong.
I think this is true because the species evolved and adapted to the natural environments so perfectly that when a geological change such as global warming, the asteroid that hit earth etc. all affected climate, food or water.
Answer: It would cause influenza to spread rapidly if sick people came in contact with others at work.
Producers (plants) are important to our ecosystem because they are the base of life. If it wasn't for producers, you wouldn't be eating your salad while your reading this answer. That chicken you had yesterday wouldn't be there if it wasn't for corn (a producer).
