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Food Webs and Flow of Energy MS-LS2-3

NGSS

cellular respiration

cells using oxygen to produce energy from food
cellular respiration Simple Definition

consumer

unlike a plant, cannot make its own food, instead it eats other living things
consumer Simple Definition

decomposer

an organism that breaks down dead organisms and waste, like fungi or bacteria
decomposer Simple Definition

food web

a model of overlapping food chains in an ecosystem
food web Simple Definition

metabolism

the sum of all chemical reactions in an organism
metabolism Simple Definition

molecule

a group of atoms held together by bonds
molecule Simple Definition

photosynthesis

the process by which plants use sunlight, carbon dioxide, and water to make food
photosynthesis Simple Definition

producer

organism that can make its own food, like all plants
producer Simple Definition

trophic level

a step in the food chain or food web
trophic level Simple Definition

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