tissue weighting factor In radiation protection, a factor weighting the equivalent dose in a particular tissue or organ in terms of its relative contribution to the total deleterious effects resulting from uniform irradiation of the whole body. See: effective dose...
Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..
Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..
Human consciousness and behavior are an interesting topic since they are determined and controlled by the brain. Conscio..
