KEY Assignment Topic # 3043 Definitions Anna Blight Use the unscrambled words from Homework 1 to answer these definitions. Microorganisms do this in the rumen to break down nutrients for their own use. fermentation This is a meat eater. carnivore Roughages break down into this. starch This type of animal has a complex stomach with four compartments. ruminant Plants are the main food for this type of organism. herbivore This describes the amount of nutrients in a feed that can be absorbed from the digestive tract after the feed is broken down. digestibility Saliva contains this component and it aids in digestion. enzymes This animal does not have an abomasum. monogastric Human share this definition with a few other animals because of the composition of the food it eats. omnivore Animals have a mutualistic relationship with these. microorganisms Digestion breaks feed particles down into this so the body can absorb it. molecules