Natural Selection - process by whch populations become adapted to the environment. The fitness of an individual is measured by how well its offspring reproduce - i.e. how many offspring that survive and reproduce does an individual produce Charles Darwin studdied and closly watched peppered...

Evolution is the change in a gene pool of a population over time. It is the theory that groups of organisms change with passage of time, mainly as a result of natural selection, so that descendants differ from their ancestors. In order for this theory to hold true, some things must be observed. F...

Eleven Past and Present Bioneers A bioneer is a visionary who works for the Earth's behalf. The past, present, and future life on this planet has been, is, and will be changed by everyday people from all walks of life. A pauper, a bored student, a forester, a writer, a singer songwriter, an ...

Why do some birds have long tails, others have bright plumage or patterns and others possess beautifully complicated songs. Many animal behaviourists have agreed that all these characteristics are developed as a result of female sexual selection, but that is where the agreement stops. The many theo...

The Evolutionary Philosophy of Chauncey WrightIntroductionIn the recent bestseller, Darwin's Dangerous Idea, Daniel C. Dennett argues that the truly "dangerous" aspect of the Darwinian revolution was not the notion that species evolve: Lamarck, Owen, and Darwin's grandfather Era...