The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..
Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..
The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..
The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..
This tutorial describes the role of gibberellin family in plants. Find out the effects of gibberellin on plant growth an..