The conversion of nitrates into nitrogen gas which is then released into the atmosphere. This is caused by bacteria and how they obtain their energy. A small amount is converted to usable forms by lightning in a process called atmospheric nitrogen fixation.
The conversion of nitrates into nitrogen gas which is then released into the atmosphere. This is caused by bacteria and how they obtain their energy. A small amount is converted to usable forms by lightning in a process called atmospheric nitrogen fixation...
Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..
Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..