Geologic time scale - Wikipedia, the free encyclopedia
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The geologic time scale is a chronologic schema (or idealized model) relating stratigraphy to time that is used by geologists, paleontologists and other earth scientists to describe the timing and r...
en.wikipedia.org/wiki/Geologic_time_scale
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The Age of Reptiles - Wikipedia, the free encyclopedia
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The Age of Reptiles in the Yale Peabody Museum, New Haven, Connecticut, is a 110-foot mural depicting the period of ancient history when reptiles were the dominant creatures on the earth, painted b...
en.wikipedia.org/wiki/The_Age_of_Reptiles
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The earth's history is divided in to three stretches of time, called eons. ... Some of these organisms include algae and protozoans. Other animals that flourished were fish, amphibians, reptiles, sand dollars, snails, clams, and ammonites. During the late Triassic Period, the first warm blooded mammals appeared.
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library.thinkquest.org/25097/graphics/eras.htm
library.thinkquest.org/25097/graphics/eras.htm
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ScienceDaily (Sep. 23, 2009) — After decades of debate and four years of investigation an international body of earth scientists has formally agreed to move the boundary dates for the prehistoric Quaternary age by 800,000 years, ... In the 18th Century the earth's history was split into four epochs, Primary,
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www.sciencedaily.com/releases/2009/09/090922095703.htm
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Cenozoic ("Recent Life") Era; This is the last of three geologic eras squeezed into the Phanerozoic ("Evident Life") Eon that covers the last 10% of Earth's whole geologic history. This is the "Age of Mammals" in which whales took over the oceans, saber-tooth cats shared the land with elephants and giant sloths,
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www.cotf.edu/ete/modules/msese/earthsysflr/cenozoic.htm...
www.cotf.edu/ete/modules/msese/earthsysflr/cenozoic.html
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The purpose of Conservation Biology is to find ways of maintaining the high levels of biological diversity that are seen in today's world. ... 4. Cenozoic (the "Age of Mammals"): The diversification of flowering plants, insects, ... Although large numbers of new families evolved in the later periods of earth history,
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darwin.bio.uci.edu/~sustain/bio65/lec02/b65lec02.htm
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Cenozoic Era ... ; "The Age of Mammals"; 65 mya through today ... "The Age of Amphibians" - Amphibians and reptiles dominant. Gymnosperms dominant plant life.The continents merge into a single super-continent, Pangaea. Phytoplankton and plants oxygenate the Earth's atmosphere to close to modern levels.
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www.enchantedlearning.com/subjects/Geologictime.html
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Cenozoic Era (Recent Life). ... This epoch is best known as the "Great Ice Age." Ice sheets and other glaciers encroach and retreat during four or five primary glacial periods. At its peak, as much as 30% of the Earth's surface is covered by glaciers, ... Representatives of modern mammals become the dominant vertebrate life form,
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www.sdnhm.org/exhibits/mystery/fg_timeline.html
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