It is carbohydrates since in the mouth there are enzymes responsible for digestion of carbohydrates.
It would take 500 cell divisions to produce 1000 cell from 1 cell
in an ecosystem, fungi play the role of decomposers -- they break down dead organic matter and return vital nutrients to the soil. Without fungi, nutrients would not cycle through an ecosystem, causing the breakdown of the entire food chain.
hope this helps :)
