What type of organism is missing from the food chain? a) an organism that would eat the bear. b) organisms that would feed off of the flies. c) organisms that can convert the sun's energy into a useable form of energy. d) there has to be more than one type of organism at the bottom of the food chain.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

What is an example of a scientific question that galileo could not have answered with out this new tool?

High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. by changing the amount of water in the blood, blood pressure can change. the excretory system can to lower blood pressure.which would most likely occur in the kidney? a)more water would be transferred from the nephron.b)less water would be absorbed into the nephron.c)the amount of water in the bladder would decrease.d)the amount of water in the blood would increase.