NITROGEN CYCLE

nitrogen cycle  When an animal eats the plant, the nitrogen-containing compounds in the plant move to the animal When that animal gets eaten, nitrogen moves to its predator, Free-living nitrogen-fixing bacteria are abundant in the soil and convert gaseous nitrogen into ammonium by reducing it This reduction is endothermic,

In National 4 Biology discover how atmospheric nitrogen is processed by bacteria, allowing plants and animals to build essential proteins  Nitrogen has a crucial role to play in primary productivity, and indeed is the plant nutrient required in greatest quantity In the biosphere it undergoes

Nitrogen undergoes transformations in the soil depending on the chemical composition of the Key points · In the atmosphere, energy from lightning helps recombine the atoms in nitrogen gas and oxygen gas , forming nitrate