Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..
The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..
Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..
Human consciousness and behavior are an interesting topic since they are determined and controlled by the brain. Conscio..