Nitrogen+Cycle

__**THE NITROGEN CYCLE**__ SOME IMPORTANT TERMS nitrogen in protein not local because it's biggest abiotic reservoir is the atmosphere, which is very widespread used by plants NO³- one of the ways plants can use nitrogen polyatomic ion a compound that is made from N²                           NO4+ the other ways plants use nitrogen
 * abiotic reservoirs**- atmosphere, soil
 * biotic reservoirs**- plants, fungi, animals, bacteria
 * biggest aboitic reservoir**- atmosphere
 * Key organisms**- bacteria, fungi
 * Nitrate**- polyatomic ion is a compound
 * Ammonium ions**- when something is decomposed, it gives off ammonuim