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...
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..
Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..
Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
The human body is capable of regulating growth and energy balance through various feedback mechanisms. Get to know the e..
Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..
