Most of the symbiotic associations are very specific and have complex mechanisms that help ... and is another important step in the global nitrogen cycle. Most nitrification occurs aerobically ...

The Nitrogen Cycle Let’s begin our discussion of the N cycle in a typical ... However, soil microorganisms, including bacteria and fungi, change the complex, unavailable forms of N into forms that are ...

All Earth system models are complex because they encompass ... in particular agricultural nitrogen, to accurately assess the carbon cycle, but most of them currently do not.

Tabulata and Rugosa are orders of extinct corals that have been taxonomically described for more than 170 years. They were among the main reef builders in the Palaeozoic era (which spanned 541 ...