preservation
The act or process of preserving, or keeping safe; the state of being preserved, or kept from injury, destruction, or decay; security; safety; as, preservation of life, fruit, game, etc.; a picture in good preservation.
Origin: F. Preservation.
An occurrence of improvement by virtue of preventing loss or injury or other change.
This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..
Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..
This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..
