Afarmer has a herd of sheep with an average weight of 200 pounds. the heaviest sheep weigh around 350 pounds. he wants to know if the weight of the sheep is genetic. so, he breeds two of his heaviest sheep. the offspring grow up to weigh 300 pounds.

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.