Which athlete will use the least protein for fuel during exercise? a. joe, who is an endurance athlete and consumes a protein-rich diet b. charles, who is an endurance athlete and consumes a fat-rich diet c. rick, who is in a strength-training program and consumes a diet rich in branched-chain amino acids d. gary, who is an endurance athlete and consumes a carbohydrate-rich diet e. trey, who is in a strength-training program and consumes a high-carbohydrate diet?

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.