The Cycles of Matter Answers

Check all of the items that are cycled through the biosphere in biogeochemical cycles.

The animal releases the carbon dioxide back into the atmosphere during respiration.

Carbon cycleNitrogen cyclePhosphorus cycle Bacteria in the soil converts this nutrient into a usable form. Plant take up the usable nutrient through the soil and assimilate it into proteins, making it part of the plant. An animal eats the plants, and the nutrient becomes part of the animal. When the animal dies, it decomposes, returning the nutrient back to the soil.