Asubstance that kills insects that feed on crops but can bioaccumulate up the food chain is known as a:

oxygen +1 most likely

i think the answer is 95 hope this

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.

protistas excret ethanol used in the manufacture of vinegar