Life of the geologic past shows

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• Geologic record — The layer cake like appearance of concordant strata laid down over hundreds of thousands of years …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… …   Wikipedia

• On the Origin of Species — Origin of Species redirects here. For other uses, see Origin of Species (disambiguation). On the Origin of Species   …   Wikipedia

• History of the Earth — For the history of modern humans, see History of the world. Geological time put in a diagram called a geological clock, showing the relative lengths of the eons of the Earth s history The history of the Earth describes the most important events… …   Wikipedia

• Democratic Republic of the Congo — Not to be confused with the neighbouring Republic of the Congo. Coordinates: 2°52′48″S 23°39′22″E / 2.88°S 23.656°E / 2 …   Wikipedia

• Craters of the Moon National Monument and Preserve — For other uses, see Craters of the Moon (disambiguation). Craters of the Moon National Monument and Preserve IUCN Category III (Natural Monument) …   Wikipedia

• History of the Grand Canyon area — The known history of the Grand Canyon area stretches back 10,500 years when the first evidence for human presence in the area started. Native Americans have been living at Grand Canyon and in the area now covered by Grand Canyon National Park for …   Wikipedia

• List of National Parks of the United States — 1938 poster for Yellowstone National Park The United States has 58 protected areas known as national parks, which are operated by the National Park Service, an agency of the Department of the Interior. National parks must be established by an act …   Wikipedia

• Settlement of the Americas — …   Wikipedia

• dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …   Universalium