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   ocr: METABOLIC RATE M chemical ETABOLISM reactions means all that the take one. varies An depending organism' S on whether metabolic it rate is place inside cells to keep an organism resting or active. The faster the alive. These chemical processes can metabolic rate, the more energyis happen at different speeds, called used and the more heat released. metabolic rates, in different organisms. A plant, for example, Shrew has a very low metabolic rate, whereas a shrew has a very high Earthworm High metabolism Being small and active, the shrew loses beat easily. Iti must feed all the time to fuel the ...