Match each step in the nitrogen cycle to its description.

bacteria convert atmospheric
nitrogen to ammonia
bacteria convert nitrates
into nitrogen gas
bacteria convert ammonia
to nitrites and nitrates
bacteria break down waste
products and return nitrogen
to the soil
plants and animals take in
and use nitrogen compounds
nitrification
nitrogen fixation
assimilation
ammonification
denitrification

Step in the nitrogen cycle to its description -

bacteria convert atmospheric nitrogen to ammonia - nitrogen fixationbacteria convert nitrates into nitrogen gas - denitrificationbacteria convert ammonia to nitrites and nitrates - nitrificationbacteria break down waste products and return nitrogen to the soil - ammonificationplants and animals take in and use nitrogen compounds - assimilation

The nitrogen cycle is a biogeochemical cycle in which nitrogen is circulated, converted into different chemical forms, in ecosystems including the biosphere and the atmosphere. It has various steps:

Nitrogen Fixation is the first step in the nitrogen cycle in which the conversion of atmospheric nitrogen into ammonia with the help of bacteria such as Azotobacter and Rhizobium.Assimilation - involves the absorption of nitrogen compounds by the plants from the soil.Ammonification - in this step dead organic matter of plants and animals are decomposed by the soil bacteria to produce ammonia.Nitrification - Involves conversion of ammonia into nitrates by the soil bacteria Nitrosomonas and Nitrococcus.Denitrification:  a microbial process of reducing nitrate and nitrite to gaseous forms of nitrogen

Thus,

Step in the nitrogen cycle to its description -

bacteria convert atmospheric nitrogen to ammonia - nitrogen fixationbacteria convert nitrates into nitrogen gas - denitrificationbacteria convert ammonia to nitrites and nitrates - nitrificationbacteria break down waste products and return nitrogen to the soil - ammonificationplants and animals take in and use nitrogen compounds - assimilation

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1. protection 2. homeostasis 3. storage4.blood formation5.bone marrow 6.movement