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Animals and Energy
| Term | Definition |
|---|---|
| food chain | the path that energy and nutrients follow in an ecosystem |
| producer | organism that uses the Sun's energy to make sugar and oxygen |
| consumer | animal that eats |
| decomposer | breaks down dead or decaying plant and animal material |
| herbivore | animal that only eats plants |
| carnivore | animal that only eats other animals |
| omnivore | animal that eats both plants and animals |
| food web | a network of food chains that have some links in common |
| predator | animal that hunts and kills other animals |
| prey | animal that is hunted by and killed by other animals |
| energy pyramid | diagram that shows the amount of energy available at each trophic level of an ecosystem |
| endothermic | animal that maintains its body temperature using energy from food |
| ectothermic | animal that maintains its body temperature using energy from outside its body, like the sun or water |
| scavenger | animal that eats animals that were already dead |
| metabolism | the chemical processes that break down and build molecules inside an organism |
| cellular respiration | chemical energy stored in food is released |
| adaptation | body part or behavior that helps a living thing stay alive |
| camouflage | blending in with the environment |
| nocturnal | active at night |
| equilibrium | when the amount of something stays close to the same |