The nitrogen in the air cannot be used by producers and consumers. It must be fixed or converted by bacteria in the ground into a useable form for plants called nitrates. Some plants called legumes (beans and clover) actually have bacteria in their roots.
The second one most bacteria is good as long as they are in the multi cellular form<span />
The basic unit of temp. is the degree, which could be Celcius, Fahrenheit or Kelvin.
Provide Structure To The Rhizomes. Carry Oxygen To Plant Parts Provide Buoyancy To The Blade.
Answer:
I think that they are small white stars