Definition: plural of opera
See: opera for more information.
Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
The human body is capable of regulating growth and energy balance through various feedback mechanisms. Get to know the e..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..
There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..