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	Mesozoic Era - MSN Encarta
		Mesozoic Era, major division of the Phanerozoic Eon of the geological timescale, following the Palaeozoic Era and preceding the Cenozoic Era.
		In the early Mesozoic the continents were joined together in a single land mass called Pangaea, which had a dominant effect on climate—it was a time of widespread aridity in the continental interior.
		The late Mesozoic was the dinosaur’s zenith; much of their diversity is traced to the rise of the flowering plants (angiosperms) and new groups of herbivorous dinosaurs that evolved alongside them.
	uk.encarta.msn.com /encyclopedia_761555761/Mesozoic_Era.html (528 words)

	Geologic Eras
		Eras encompass major intervals of Time and are defined based on the fossil life-forms found in the rock layers, and the Law of Superposition.
		The Mesozoic Era was important for the fossil remains of the dinosaurs and other reptiles that lived.
		However, the Mesozoic Era landscape was also occupied by insects, early mammals, plants such as conifers and ferns, fish, and finally flowering plants and early birds.
	imnh.isu.edu /geo_time/geo_time_eras.htm (249 words)

	AllRefer.com - Mesozoic era (Geology And Oceanography) - Encyclopedia
		By the late Mesozoic, tectonic activity increased dramatically: the new Indian Ocean began to open, the Atlantic Ocean began to open along an extensive rift zone separating the Americas from Europe and Africa (see seafloor spreading).
		The life of the Mesozoic was dominated by the reptiles that evolved into the large land-dwelling dinosaurs of the Jurassic and Cretaceous periods.
		Mammals probably evolved from some common ancestor of the reptiles early in the Triassic Period, but were subordinate to the reptiles until the end of the era, when the dominance of reptiles was ended by the extinction of the dinosaurs.
	reference.allrefer.com /encyclopedia/M/Mesozoic.html (426 words)

	Reptiles of the mesozoic era
		Stegosaurus: large, heavy herbivorous dinosaur of the mesozoic era, with a body covered with protective armour.
		Pterodactyl: large flying dinosaur of the mesozoic era.
		Tyrannosaurus: large, tall carnivorous dinosaur of the mesozoic era.
	www.infovisual.info /02/015_en.html (64 words)

	Mesozoic era - HighBeam Encyclopedia (Site not responding. Last check: 2007-11-05)
		MESOZOIC ERA [Mesozoic era] [Gr.,=middle life], major division of geologic time (see Geologic Timescale, table) from 65 to 225 million years ago.
		By the late Mesozoic, tectonic activity increased dramatically: the new Indian Ocean began to open, the Atlantic Ocean began to open along an extensive rift zone separating the Americas from Europe and Africa (see seafloor spreading).
		The life of the Mesozoic was dominated by the reptiles that evolved into the large land-dwelling dinosaurs of the Jurassic and Cretaceous periods.
	www.encyclopedia.com /doc/1E1-mesozoic.html (438 words)

	Mesozoic - Palaeos (Site not responding. Last check: 2007-11-05)
		The Mesozoic Era is divided into three periods, each lasting many millions of years: the Triassic, Jurassic, and Cretaceous.
		Mesozoic stromatoporoids (demosponges probably not related to the Paleozoic forms) were significant reef-builders in the Cretaceous.
		The Mesozoic era was an extremely long period of time, which saw the rise and fall of successive "dynasties" of life.
	www.palaeos.org /Mesozoic (3669 words)

	Mesozoic Summary
		During the Mesozoic Era the Pangaean supercontinent spanned Earth's equatorial regions and separated the Panthalassic Ocean and the Tethys Ocean basins.
		The Mesozoic Era is one of three geologic eras of the Phanerozoic eon.
		Animal life during the Mesozoic was dominated, however, by large archosaurian reptiles that appeared a few million years after the Permian extinction: dinosaurs, pterosaurs, and aquatic reptiles such as ichthyosaurs, plesiosaurs, and mosasaurs.
	www.bookrags.com /Mesozoic (1684 words)

	Mesozoic Dinosaurs - Enchanted Learning Software
		The Mesozoic Era lasted about 180 million years, and is divided into three periods, the Triassic, the Jurassic, and the Cretaceous.
		Mesozoic means "Middle Animal" and is sometimes called the age of reptiles.
		The third Mesozoic period was the Cretaceous period (146-65 million years ago), which saw the height of the dinosaurs and the development of flowering plants.
	www.enchantedlearning.com /subjects/dinosaurs/mesozoic (725 words)

	Mesozoic Era - The age of dinosaurs
		The Mesozoic is divided into three time periods: the Triassic (225-195 Million Years Ago), the Jurassic (195-135 Million Years Ago), and the Cretaceous (135-65 Million Years Ago).
		Mesozoic means "middle animals", and is the time during which the world fauna changed drastically from that which had been seen in the Paleozoic.
		Dinosaurs, which are perhaps the most popular organisms of the Mesozoic, evolved in the Triassic, but were not very diverse until the Jurassic.
	library.thinkquest.org /C0128701/mesozoic1.htm (173 words)

	DINOSAURS: Periods
		To make this intricacy a bit simpler a separate era was allotted to the reptiles, that was the Mesozoic Era (meaning: Middle Life).
		This period is believed to be the smallest period of the Mesozoic Era.
		All mammals and amphibians of the Permian Period (Another era such as Mesozoic) were extinct; this made land good for reptiles.
	www.angelfire.com /indie/DINOSAURS/mesozoic.htm (539 words)

	Mesozoic Era Paleobiology
		One of the most striking events in the Mesozoic Era was the rise to dominance of dinosaurs in terrestrial ecosystems.
		The Mesozoic is most famed for the Dinosaurs, and popular lexicon considers it the Age of the Dinosaurs (or Reptiles).
		For 140 million years prior to the Cenozoic Era, dinosaurs held dominion over the land, as their stage was prepared by the great extinction at the end of the Permian Period.
	www.fossilmuseum.net /Paleobiology/Mesozoic_Paleobiology.htm (1253 words)

	Happenings During the Mesozoic Era (248-65 Million Years Ago) (Site not responding. Last check: 2007-11-05)
		At the start of the Mesozoic, the continents were all joined together forming one large continent called Pangaea.
		The cooling may have been caused by either a huge asteroid impact near the Yucatan Peninsula, a large amount of volcanic eruptions in the area that is today India and Pakistan, or by a combination of both the asteroid and volcanoes.
		During the Mesozoic, mammals were eaten by carnivorous dinosaurs.
	www.windows.ucar.edu /tour/link=/earth/geology/hist_mesozoic.html (403 words)

	The Mesozoic Era (Site not responding. Last check: 2007-11-05)
		The Mesozoic is divided into three time periods: the Triassic (245-208 million years ago), the Jurassic (208-144 million years ago), and the Cretaceous (144-66.4 million years ago.
		Mesozoic means "middle animals", and is the time during which the world's animal population changed drastically from the Paleozoic Era.
		The early Mesozoic was dominated by conifers, with modern pines and sequoias first appearing.
	www.science501.com /PTMesozoic.html (286 words)

	Mesozoic Era Report
		The Mesozoic Era spans 183 million years and consists of the Triassic, Jurassic and Cretaceous Periods.
		This is the second of the three periods of the Mesozoic Era.
		The Cretaceous period is the last of the three in the Mesozoic Era.
	members.tripod.com /~crackasgalore/report.html (590 words)

	Mesozoic Era \| Scholastic.com
		In most places the rock layers deposited during the three eras are separated from one another by unconformities, breaks in the sequence of deposition of the geologic record.
		The Mesozoic was a time of transition in the history of life and in the evolution of the Earth.
		According to the theory of plate tectonics, the supercontinent of Pangaea, created by the merging of the ancestral continents during the Paleozoic Era, was slowly torn apart during the Mesozoic.
	content.scholastic.com /browse/article.jsp?id=5008 (602 words)

	MESOZOIC ERA,
		It followed the Paleozoic era and preceded the Cenozoic era, and lasted from approximately 251 million to 65.5 million years ago, according to the time scale released by the International Commission on Stratigraphy in 2004.
		One of the most important topographical changes of the era in North America was the uplifting and extensive erosion of the Appalachian Mountains.
		The Mesozoic era is divided into three time periods: the Triassic, Jurassic, and Cretaceous.
	www.history.com /encyclopedia.do?vendorId=FWNE.fw..me093100.a (572 words)

	Mesozoic era
		The geological era that ran from the end of the Paleozoic era, about 251 million years ago, to the beginning of the Cenozoic era, about 65 million years ago.
		It is commonly thought of as the age of reptiles and is the era in which the dinosaurs flourished.
		The Mesozoic also saw the appearance of the first mammals and birds.
	www.daviddarling.info /encyclopedia/M/Mesozoic.html (143 words)

	Geologic Time: The Mesozoic (Site not responding. Last check: 2007-11-05)
		The Mesozoic, or era of "middle life", started around 245 million years ago and lasted about 180 million years.
		It was also during the Mesozoic that the dinosaurs evolved and dominated, causing the era to be known as the age of reptiles.
		The start of this era (at the beginning of the Triassic period) was marked by a mass extinction that changed marine life drastically.
	www.mnh.si.edu /anthro/humanorigins/faq/gt/mesozoic.htm (375 words)

	Paleobiology 4
		Mesozoic seas saw a rise and spread of another iteration of the cephalopods, the ceratites, eventually to be replaced by the ammonites.
		During the Mesozoic ginkgoes were worldwide in their distribution and important elements in the gymnosperm forests that dominated the land.
		Among the various hypotheses to explain the extinction that closed the Mesozoic era were allergies by dinosaurs to pollen produced by flowering plants, increased radiation levels that led to male dinosaur sterility, diseases brought by migrating animals, and a gradual climate deterioration that the dinosaurs were unable to cope with.
	www.estrellamountain.edu /faculty/farabee/biobk/BioBookPaleo5.html (7757 words)

	Palaeos Mesozoic: The Mesozoic Era -2
		Mesozoic cnidarians are mostly known from their greatest success story, the scleractinian corals.
		The End-Permian extinction at the end of the Paleozoic Era took a heavy toll on the stemmed echinoderms.
		Echinoids are rare in Paleozoic faunas, but radiated extensively during the Mesozoic and Paleogene.
	www.palaeos.com /Mesozoic/Mesozoic2.html (1460 words)

	Mesozoic Plants
		Foliage of cycads and cycadeoids is abundant in Mesozoic strata.
		The major evolutionary innovation of plant communities during the late Mesozoic was the appearance and rapid radiation of the flowering plants, the angiosperms.
		This Mesozoic flora was the vegetation eaten by dinosaurs, other reptiles, and mammal herbivores during this era.
	www.fossilnews.com /2000/mezplants/mezplants.html (912 words)

	Search Results for "Mesozoic"
		Mesozoic era, (mez´zo´ik) (KEY) [Gr.,=middle life], major division of geologic time (see Geologic Timescale, tablegeologic timescale, table) from 65 to 225 million...
		...to the geologic time, rock series, or sedimentary deposits of the second period of the Mesozoic Era, in which dinosaurs continued to be the dominant land fauna and...
		...various extinct aquatic reptiles of the superorder Sauropterygia that flourished during the Mesozoic Era and included the plesiosaurs.
	www.bartleby.com /cgi-bin/texis/webinator/sitesearch?FILTER=&query=Mesozoic (307 words)

	Golden Gate Photo - Glossary of Technical Terms
		The Mesozoic Era is subdivided into the Triassic, Jurassic, and Cretaceous periods.
		The Paleozoic Era is subdivided into the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian periods.
		A granitic rock in which quartz comprises 10% to 50 % of the felsic (light mineral) constituents and in which the alkali feldspar to total feldspar ratio is between 35% and 65%.
	www.goldengatephoto.com /glossary2.html (2234 words)

	Paleobiology 4
		Mesozoic seas saw a rise and spread of another iteration of the cephalopods, the ceratites, eventually to be replaced by the ammonites.
		During the Mesozoic ginkgoes were worldwide in their distribution and important elements bin the gymnosperm forests that dominated the land.
		Among the various hypotheses to explain the extinction that closed the Mesozoic era were allergies by dinosaurs to pollen produced by flowering plants, increased radiation levels that led to male dinosaur sterility, diseases brought by migrating animals, and a gradual climate deterioration that the dinosaurs were unable to cope with.
	www.emc.maricopa.edu /faculty/farabee/BIOBK/BioBookPaleo5.html (7757 words)

	Dinosaurs and Plants - ZoomDinosaurs.com
		As plants evolved through the Mesozoic Era, their distribution changed drastically, leading to the demise of some dinosaurs and the rise of new types of dinosaurs.
		Pteridophytes evolved during the Devonian and were mostly low-growing during the Mesozoic Era.
		At the start of the Mesozoic Era, the continents of the Earth were jammed together into the supercontinent of Pangaea; this land mass had a hot, dry interior with many deserts.
	www.enchantedlearning.com /subjects/dinosaurs/plants (974 words)

	Chapter 11, part 1, Lecture Notes, The Mesozoic Era, Levin: The Earth Through Time - Wiley (Site not responding. Last check: 2007-11-05)
		Mesozoic rocks contain the remains of organisms that are more advanced than those in the Paleozoic, but not as modern as those living today.
		The Mesozoic Era lasted approximately 179 million years, and ended with an extinction event in which the dinosaurs met their demise.
		At the beginning of the Mesozoic, all of the continents were assembled into a supercontinent, Pangea.
	www3.interscience.wiley.com:8100 /legacy/college/levin/0470000201/chap_tutorial/ch11/chapter11-1.html (333 words)

	The Mesozoic Era: Reptiles and Dinosaurs
		Over all the Mesozoic Era was dryer than in the Paleozoic Era.There were more deserts and less marshland.
		Within the three periods of the Mesozoic Era (Triassic, Jurassic and Cretaceous) there were times of wide temperature and seasonal variation.
		It took most of the first and second periods of the Mesozoic, the Triassic and the Jurassic periods, for the diversity of species to recover and achieve some balance.
	www.fossils-facts-and-finds.com /mesozoic_era.html (418 words)

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