Nitrogen Fixation: Root and Bacteria Interactions. Nitrogen is an important macronutrient because it is part of nucleic acids and proteins. ... The most important source of BNF is the symbiotic interaction between soil bacteria and legume plants, including many crops important to humans.
Two functions of the skeleton system are:
- It is a support structure for the body
- It provides protection our internal organs
One organic waste that is not found in urine is called Bicarbonate Ions
Invasive species or environment
<span>The only traits that can be acted upon by natural selection are those that are controlled by ___________________</span>
