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Definition
| an animal that eats only plants or algae |
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Definition
| an animal that eats mainly other animals |
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| an animal that eats animals as well as plants or algae |
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| an aquatic animal that sifts small food particles from the water |
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Definition
| an organism that lives on or in its food source, eating its way through the food |
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Definition
| an animal that lives by sucking nutrient-rich fluids from another living organism |
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Definition
| an animal that eats relatively large pieces of food |
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Definition
| the act of eating; the first main stage of food processing in animals |
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Definition
| the mechanical and chemical breakdown of food into molecules small enough for the body to absorb; the second main stage of food processing in animals |
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Definition
| the uptake of small nutrient molecules by an organsim's own body; the third main stage of food processing |
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Definition
| the passing of undigested material out of the digestive compartment; the fourth and final stage of food processing in animals |
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Definition
| an opening through which food is taken into an animal's body |
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Definition
| a digestive tract consisting of a tube running between a mouth and an anus |
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Definition
| the organ in the digestive tract that receives food from the oral cavity |
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Definition
| the channel that conducts food by peristalsis, usually from the pharynx to the stomach |
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Definition
| a pouchlike organ in a digestive tract where food is softened and may be stored temporarily |
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Definition
| a pouch-like organ in a digestive tract that grinds and churns food and may store it temporarily |
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Definition
| the region of a digestive tract located between the gizzard or stomach and the anus and where chemical digestion and nutrient absorbtion usually occur |
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Term
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Definition
| the opening through which undigested materials are expelled |
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Term
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Definition
| rhythmic waves of of contractions of smooth muscles |
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Term
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Definition
| a ringlike valve, consisting of modified muscles in a muscular tube, that regulates passage between some compartments of the alimentary canal |
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