The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..
A balanced diet is essential to a healthy organism. Insufficiency or too much of a particular element or compound, such ..