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Ecosystems

TCI Unit 1 Grade 5

TermDefinition
Ecosystem All the living and nonliving things that interact with each other in an area.
Carbon Dioxide A gas found in air that is used to make food by photosynthesis.
Oxygen A gas found in air that is produced as waste during photosynthesis.
Photosynthesis The process that producers use to make food from carbon dioxide and water.
Producer Any organism that makes its own food.
Circulation The process of moving blood in a large, complicated loop through the body.
Consumer An organism that gets energy by eating other organisms.
Digestion The process that breaks down food into simple materials that an animal’s body can use.
Decomposer An organism that breaks down dead organisms and wastes to live and grow.
Energy Pyramid A model that shows the amount of energy that is passed on at each level of a food chain.
Food Chain A model showing the path of energy through a series of organisms in an ecosystem.
Food Web A diagram that shows the many connected food chains and feeding relationships in an ecosystem.
Predator An animal in a predator-prey relationship that captures and eats other animals.
Prey The animal that is captured and eaten in a predator-prey relationship.
Created by: misslohse
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