| A | B |
|---|
| bile | a greenish-yellow digestive juice |
| calorie | unit commonly used to measure the energy content of food |
| carbohydrate | building blocks of starches and sugars |
| carnivore | meat eater |
| digestion | process by which food is broken down |
| digestive juices | liquids that help soften and beak down food chemically |
| esophagus | 10 inch tube leading from the mouth to the stomach |
| habitat | natural living place of a plant or animal |
| herbivore | animal that eats plants |
| nocturnal | moving around and being active only at night |
| nutrients | chemicals that plants and animals need to survive |
| nutrition | process by which organism gets food and breaks it down for use |
| omnivore | animal that feeds on both plants and animals |
| organism | any living thing |
| peristalsis | relaxation and contraction of muscles that moves food through the digestive system |
| population | groups of a single type of animal or plant living together |
| predator | animals that hunt/eat other animals |
| prey | animals hunted and killed by another animal for food |
| saliva | clear liquid produced in an animal's mouth, moistens food and aides in digestion |
| protein | nutrients needed by every body cell to build muscles |
