The Nitrogen Cycle Vocabulary Decomposers organisms that break

The Nitrogen Cycle

Vocabulary Decomposers- organisms that break down dead or decaying organisms, and in doing so they carry out the natural process of decomposition. They use organic substrates to get their energy, carbon and nutrients for growth and development. Decomposers use _________ to breakdown _________.

Think, Pair, Share Partner A: Explain the definition of decomposers to Partner B: Explain the sentence and picture of decomposers to Partner A. You have 30 seconds to share your responses

Vocabulary Nitrogen Fixation- a process in which nitrogen (N 2) in the atmosphere is converted into ammonium (NH 4+) or nitrogen dioxide (NO. 2), for example. is the process of _____ being converted to ____________________

Think, Pair, Share Partner A: Explain the definition of nitrogen fixation to Partner B: Explain the sentence and picture of Nitrogen Fixation to Partner A. You have 30 seconds to share your responses

Vocabulary Denitrification- a microbial facilitated process of nitrate reduction that may ultimately produce nitrogen (N 2) through a series of intermediate gaseous nitrogen oxide products. ______ is converted to ______ in nitrogen fixation.

Think, Pair, Share Partner A: Explain the definition of denitrification to Partner B: Explain the sentence and picture of denitrification to Partner A. You have 30 seconds to share your responses

Nitrogen Requirements nitrogen All organisms require ____ to proteins make amino acids that build ____. nitrogen Many different forms of _____ biosphere occur naturally in the _____. 78 gas Nitrogen ____ (N 2) makes up ___% of atmosphere the ______.

Nitrogen locations outside the atmosphere Ammonia ______ (NH 3), and other ions wastes dead are in animal ____ and in _____ decaying or ____ organic matter. ocean Nitrogen also is in the ______ and other large bodies of ______. water nitrogen Humans add _______ to the biosphere _____ when they apply plant fertilizer ____.

Nitrogen Fixation ____ that live in ____ or on plant Bacteria soil roots ____ (legumes) use forms of nitrogen ____ and change it into _____. gas ammonia nitrogen This process is called _____. fixation

ammonia Other bacteria converts _____ nitrites nitrates into ____ and _______. _____ use these to make Producers proteins and then _____ eat the consumers producers to use the nitrogen and make their own protein.

Denitrification When organisms die, ______ return decomposers nitrogen _______ to the soil as ammonia The ____ can be taken up by _____. producers nitrates Bacteria converts the _______ into nitrogen gas denitrification ___ by ______. Then nitrogen is released into the atmosphere ______ again.

Levels of the Nitrogen Cycle