1) The__________________ cycle is a continuous circulation between the soil, organisms, and a) oxygen-carbon cycle b) Water cycle c) Nitrogen cycle  2) How do animals get nitrogen that is stored in the soil? a) Animals do not take in the nitrogen stored in the soil. b) Bacteria change the nitrogen into a gas that the animals breathe. c) Plants absorb the nitrogen from the soil and animals can eat the plants. d) The animals can eat the soil and absorb the nitrogen through their digestive system. 3) As plants grow they absorb nitrogen to make ______________ a) sugar b) protien c) carbohydrates 4) ___________________help return nitrogen into the atmosphere and the cycle repeats a) precipitation b) Decomposers and bacteria

Nitrogen cycle

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