nodal point One of two point’s in a compound optical system so related that a ray directed toward the first point will appear to have passed through the second point parallel to its original direction. Synonym: axial point...
This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..
Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..
This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..
