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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 |