Overview of Methods Superposition Stratigraphy Dendrochronology Radiocarbon C14 Radiometric Dating Methods Obsidian Hydration Dating Paleomagnetic/Archaeomagnetic Luminescence Dating Methods Amino Acid Racemization Fission-track Dating Ice Cores Varves Pollens Corals Cation Ratio Fluorine Dating Patination Oxidizable Carbon Ratio Electron Spin Resonance Cosmic-ray Exposure Dating This is an excellent overview of dating methodologies, and is a chapter in a textbook on Archaeology.
You may find it useful for the clear definitions, and for excellent links on a variety of topic.
Mutant: The above picture shows how if Barbie's physical measurements were given to a real woman she'd only have room for half a liver and a few inches of intestine in her body, but room for a bigger brain Like her fragile 3.5 inch wrists, her 6-inch ankles would prevent her from heavy lifting.
Then, as far as holding up her entire body - despite so much of it missing - it'd be an entirely impossible feat requiring her to walk on all fours.
The term can also be applied to larger groups of organisms, as in "the adaptive radiation of mammals." adaptive strategies: A mode of coping with competition or environmental conditions on an evolutionary time scale.
Chronological sequence is all that is really required.
In a separate article (Radiometric dating), we sketched in some technical detail how these dates are calculated using radiometric dating techniques.
As we pointed out in these two articles, radiometric dates are based on known rates of radioactivity, a phenomenon that is rooted in fundamental laws of physics and follows simple mathematical formulas.
Choose: No Frames Layout Choose: Human Evolution Frames .
I have integrated this web page on human evolution into an electronic text, " Nature's Holism - Holism.