Cycling of matter
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Cycling of matter. How is energy returned to the environment through the decay of biomass?. Cycling of Matter. Landfill Video Biomass (Science 360).

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Cycling of matter

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Cycling of matter

Cycling of matter

How is energy returned to the environment

through the decay of biomass?

Cycling of matter1

Cycling of Matter

Landfill Video

Biomass (Science 360)

Matter and Energy Science Starter class notes

How to make compost



  • Brainpop – Food Chains

Discovery video

Discovery Video

Cycling of matter


  • Scientific Minds Science Starter – Food Chains, Food Webs

Energy transfer cards monday review

Energy Transfer Cards(Monday Review)

  • A dead plant and animal leaves behind nutrients and energy in the organic material that made up its body. Scavengers can feed on the carcass but unused energy and nutrients are still left behind.

  • Biomass – bones, feathers, fur, insect exoskeletons, wood, leaves, feces

  • Decomposers release the remaining carbon dioxide and nutrients such as nitrogen and phosphorus

  • Decomposers: Fungus, bacteria, worms, and insects.

Food chains

Food Chains

Food webs

Food Webs

Energy pyramids

Energy Pyramids


10 rule energy pyramid

10% Rule – Energy Pyramid

  • An energy pyramid shows the flow of energy in a community. Each level represents different groups of organisms that could make up a food chain. The bottom level indicates producers, and the other levels are consumers. At each level, about 90% of the energy is used by the organism. Only 10% is available to be passed on to the organism that eats it (the next trophic level)

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