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U6 - Flow of Energy
Flow of energy, food chains and food webs
| Term | Definition |
|---|---|
| primary consumer | eats plants (producers) that make their own food |
| secondary consumer | eats the primary consumer |
| 10% rule | only 10% of the total energy produced at each trophic level is available to the next level - the remaining energy is passed up to the above levels |
| autotroph | an organism that uses light energy from the sun to make its own food |
| carnivore | a consumer that eats other animals - meat eaters |
| consumer | an organism that eats other organisms |
| decompose | the process by which dead plants and animals are broken down |
| decomposer | an organism that gets energy by breaking down the remains of dead organisms or animal wastes, and consuming or absorbing the nutrients |
| energy pyramid | a diagram that shows the amount of energy that moves from one feeding level to another in a food web |
| food chain | a series of steps that traces the path of energy as it moves from organism to organism in an ecosystem |
| biomass | the total mass of living organisms in a given area |
| photosynthesis | the process by which producers (plants) use the energy in sunlight to create their own food |
| chlorophyll | the green pigment in the chloroplast of plant leaves that absorbs lsunlight for photosynthesis |
| glucose and oxygen | the products of photosynthesis |
| trophic level | the position that an organism occupies in a food chain, food web, or energy pyramid (producer, primary consumer...) |
| green leaves | the place in a plant where photosynthesis occurs |
| carbon dioxide | a gas in the air that plants need for photosynthesis to take place |
| light energy | also called radiant and solar energy |
| food web | many food chains that are interconnected |
| herbivore | an animal that only eats plants |
| omnivore | an animal that eats both plants and animals |
| predator | an animal that kills and eats other animals |
| producer | a plant that makes its own food |
| water and carbon dioxide | the reactants of photosynthesis |
| sun | the original source of energy |
| tertiary consumer | eats the secondary consumer that eats the primary consumer |
| arrows | show the direction of energy movement in a food chain |
| prey | the organism that is killed and eaten by a predator |
| heterotroph | an organism that cannot use the suns energy for making its food |
| chloroplast | an organelle that contains chloroplasts where photosynthesis takes place |
| cellular respiration | the breakdown of glucose to release energy |
Created by:
Blackcat8765
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