How do they decide who matches up with who? Sometimes, the process is very simple. Each profile has a list of attributes or interests that members check off.
The age and evolution of the Grand Canyon have been subjects of great interest and debate since its discovery. We found that cave mammillaries (water table indicator speleothems) from nine sites in the Grand Canyon showed uranium-lead dating evidence for an old western Grand Canyon on the assumption that groundwater table decline rates are equivalent to incision rates.
The Evidence for Evolution: Biogeography This site explains how the biogeography of organisms, which keeps closely related species in fairly close proximity, provides further evidence for evolution. The role of plate tectonics in determining geographic locations of organisms is also discussed. Hosted by Nova Southeastern University. External Link Evidence for Evolution Biodiversity is a Guarantee of Evolution This transcript of an interview with Nobel Prize-winning microbiologist Werner Arber reveals his opinions about the origins of biodiversity and its evolutionary and ecological consequences.
Other Resources Evidence for Evolution Biogeography This college-level text provides a thorough introduction to the principles of biogeography, and includes the original map of zoogeographic regions drawn by Alfred Russel Wallace. Brown and Mark V.