radiant energy - energy from the sun that is transformed into chemical energy in plants, producers/autotrophs - organisms that produce food for themselves; transform radiant energy from the sun to chemical energy they can use or store, primary consumers - organisms that eat producers for their energy, secondary consumers - consume primary consumers and possibly secondary consumers too, tertiary consumers - obtain their energy by eating primary and secondary consumers, heterotrophs - they get their energy from another organism, food webs - model that interconnects food chains within an ecological community, trophic level - position of an organism occupies in a food web or food chain starting with producers through the highest level of consumer, energy pyramids - shows the amount of energy passed from one trophic level to the next, from the bottom(producers) to the top(highest level consumer), 10% rule - says that about 10% of energy from each level reaches the level above it; use energy pyramids, matter - makes up all things; basic elements and compounds make up all living things, water cycle - cycling of water between the atmosphere and the oceans, rivers, lakes, nitrogen cycle - nitrogen is needed for the building blocks of life; natural cycling of nitrogen from the air into useable nitrogen in the soil, carbon cycle - found in all parts of our planet; we release carbon in the form of carbon dioxide as waste plants use it and release oxygen, oxygen cycle - helps organisms grow, reproduce, and turn food into energy; available by plants as they release oxygen into the air as a waste product from photosynthesis,

Flow of Energy & Matter

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