| Term 
 
        | What are four different ways animals obtain food |  | Definition 
 
        | Suspension feeding Substrate feeding
 Fluid feeding
 Bulk feeding
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        | Term 
 
        | Four stages of food digestion |  | Definition 
 
        | Ingestion Digestion Absorbtion Elimination |  | 
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        | Term 
 | Definition 
 
        | control the movement of food into and out of digestive chambers |  | 
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        | Term 
 
        | What prevents the gastric juices from digesting the walls of the stomach?
 |  | Definition 
 
        | Mucus and new cell linings produced every 3 days |  | 
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        | Term 
 | Definition 
 
        | a specialized foregut that houses symbiotic gut bacteria to break down plant material before it enters the gastric part of the digestive tract |  | 
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        | Term 
 
        | What does mechanical digestion do? |  | Definition 
 
        | break down food into smaller pieces. Easier to swallow
 more surface area for digestive fluids
 
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