Biological
Cadmium sulfide is sometimes associated with sulfate reducing bacteria.
Read more about this topic: Cadmium Sulfide
Famous quotes containing the word biological:
“No further evidence is needed to show that “mental illness” is not the name of a biological condition whose nature awaits to be elucidated, but is the name of a concept whose purpose is to obscure the obvious.”
—Thomas Szasz (b. 1920)
“Although there is no universal agreement as to a definition of life, its biological manifestations are generally considered to be organization, metabolism, growth, irritability, adaptation, and reproduction.”
—The Columbia Encyclopedia, Fifth Edition, the first sentence of the article on “life” (based on wording in the First Edition, 1935)
“Man’s biological weakness is the condition of human culture.”
—Erich Fromm (1900–1980)