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Some of them are clearly related to jellyfish and other cnidarians. ... The forms similar to jellyfish and sea anemones were probably carnivores. ...
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One of the great mysteries of modern Geology and Palaeontology: Exceptional Fossilisation. Large number of fossils show no morphological similarity to any phyla ...
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Ediacarans, Small Shells and the Dawn of the Phanerozoic. Edicaran Biota ... Edicaran Biota. Soft/firm bodied? Molds and casts in coarse sandstone. Facies preference? ...
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Prior to the discovery of Ediacaran fossils, the Precambrian ... horseshoe crab. scorpion. The phylum Arthropoda, today, includes insects, spiders, crabs...
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BIOLOGY 1407 CHAPTER 32 and 33 INVERTEBRATES EMBRYOLOGY Colonial Choanoflagellate Ediacaran Fossils Neoproterozoic Era 1 Billion to 542 MYA Molecular Evidence Suggest ...
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... sea. 8.50pm First Ediacaran fauna and jellyfish appear in sea ... 10.05pm First land creatures appear. 10.55pm Dinosaurs appear. Evolution of life on Earth ...
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rapid, however, only in the context of geologic time ... Long time period assumed to have existed. between the extinction of the Ediacaran fauna ...
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for first 4 By only primitive life had developed on Earth ... Photos of Arkarua and the Ediacara site by Lisa-ann Gershwin. Ediacaran Fauna ...
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Exceptionally preserved fossils reveal the pattern of early sponge ... and silicisponges (sponges with opaline spicules) occuring during the Ediacaran period. ...
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trilobites, crustaceans, scorpions, insects. Sponges ... Marrella (crustacean) most common Burgess Shale fossil. EARLY PALEOZOIC LIFE. THE BURGESS SHALE ...
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... the oldest known complete ophiolite providing evidence for an ancient convergent plate boundary is the Jormua complex in Finland It is about 1.96 billion ...
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Title: Trace Fossils and Bioturbation Across the Vendian-Cambrian Boundary Author: Scott Mata Last modified by: whenderson Created Date: 11/25/2005 3:55:50 AM
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The Midcontinent Rift and the Keweenawan Sequence ... overlying Animikian rocks or crystalline basement, the Keweenawan consists of: ...
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The 3.5 billion years old Archean cells preserved in chert, and ... horseshoe crab. scorpion. The phylum Arthropoda, today, includes insects, spiders, crabs...
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Now Three Domains and 6 Kingdoms. Conventional Classification of ... Hydra. sea pens. soft corals. 2 tissue layers: ectoderm, endoderm. sea anemones. jellyfish ...
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Inorganic chemicals like methane, carbon dioxide and ammonia may have been ... Organisms around a modern black smoker vent. Earliest Life: Prokaryotes ...
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Title: Slide 1 Author: Computing & Information Services Last modified by: reviewer Created Date: 5/12/2006 1:39:39 PM Document presentation format
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An Introduction to Geology: 5 A Bit More Time A sedimentary recap Bedding Sedimentary structures Cross-bedding Sedimentary structures Cross-bedding Sedimentary ...
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How did non-living chemicals become living creatures? What does it ... The Allan Hills Meteorite. Bacteria(?) from Mars. Life in Stasis: 3 Ga of Single Cells ...
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An introduction to animal diversity BY Carlos Paez
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in Glacier National Park, Montana. The angular peaks, ridges and broad ... in large alluvial fans. that grade into sandstone and shale. with increasing distance ...
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An Overview of Animal Diversity Questions prepared by William Wischusen Louisiana State University Michael Dini Texas Tech University You discover a new organism, a ...
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LECTURE 4: PALEOZOIC ERA Cambrian/Ordovician Periods
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bones and teeth, some shells composed of calcium phosphate ... Discovered Middle Cambrian Burgess Shale. Burgess Shale, Yoho National Park, B.C. ...
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organelles - mitochondria, chloroplasts via symbiosis. nucleus ... possible advantage to aerobic respiration (mitochondria) Evolution of multicellularity ...
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Title: No Slide Title Author: GRAEME WALLACE Last modified by: Earth & Planetary Sciences Created Date: 1/10/2001 10:09:44 AM Document presentation format
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The Early Paleozoic Era Geology 103 Precambrian Washington doesn t exist In fact, you d have to go to the Idaho-Montana border to see rocks of Precambrian age ...
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Global warming and rising sea levels following the most extensive ... Plated onto solid agar media at daily intervals to measure frequency of morphotypes ...
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'Actually, I considered this an extreme honor. Besides, I knew no one was going to write and ask to name a new species of swan after me. ...
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... name 'Arkarua' comes from a mythical giant snake of the Aboriginal peoples who ... Sprigg dubbed 'medusoids' from their seeming similarity to jellyfish. ...
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An Introduction to Animal Diversity and Invertebrates By Genetically Superior
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Title: Chapter 22. Author: Victoria Pirolli Last modified by: krombola Document presentation format: On-screen Show (4:3) Company: Kim Foglia Other titles
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Burrowing also added an important tier to community ... spiders, mites, ticks scorpions,horseshoe crabs. all having feeding appendages called chelicerae ...
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Proterozoic sedimentary rocks. in Glacier National Park, Montana ... Cenozoic eras, lasted a comparatively brief 545 million years ...
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Paleontology in Decline: Making Fossils Live Again Todd A. Radenbaugh, PhD Research Fellow Canadian Plains Research Center Geological Society of America
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Geological Range of Plants Archaeopteris fossil plant- Sphenophyta Progymnosperm Devonian through Mississippian Archeapteris stump Calamites - plant Geological range ...
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Archaea (including thermophiles of deep sea hydrothermal springs) ... ( A) Longitudinally fluted cup of an archaeocyathan, about 6 centimeters in height. ...
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Geology 103 Evolution of the atmosphere Hadean: Lots of carbon dioxide, ... plate tectonics settles down What does a greenstone belt remind you of?
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Chapter 9 Precambrian Earth and Life History The Proterozoic Eon ...
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The Cambrian Explosion and Beyond
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Modern stromatolites in Shark Bay, ... 500 million year old stromatolite fossils at Lester Park in Saratoga, NY ... Pseudo-fossil in Martian meteorite, ALH84001 ...
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The Proterozoic Eon: Top Ten Significant Events Plate tectonics occurred similar to modern rates Accretion at continental boundaries Assembly of Laurentia; and two ...
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Age of earth and solar system .4.5-4.6 bya (radioisotopic dating of meteorites)
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A Deuterostomia eredete Protostomia ( ssz j ak) Deuterostomia ( jsz j ak) utols k z s s (utols k z s Bilateria s) a blastoporus sorsa az ...
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The History of Life on Earth
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Title: PowerPoint bemutat Author: selmeczi Last modified by: Cserny Tibor Created Date: 2/5/2004 7:53:39 AM Document presentation format: Diavet t s a k perny re
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Sauk Sea transgressing. Sands covered with black mud ... scaly slug. Paleozoic life. Cambrian Explosion. Exoskeleton. Experimentation. Animals to know: ...
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Polymict breccia. Kink banded biotite, planar fractures in quartz and feldspar (PDFs in quartz) ... sample of carbonatitic breccia (same matrix composition as ...
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Periods of time are usually bordered by major geological or paleontological ... types of dinosaurs (such as Tyrannosaurs), primitive birds replace pterosaurs. ...
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Title: PreCambrian Author: Charles L. Smart Last modified by: Chuck Created Date: 11/19/2004 1:04:05 PM Document presentation format: On-screen Show (4:3)
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The Geological Time Scale NC Essential Standard that the geologic time scale is a record of the major events and diversity of life forms present in Earth s history.
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Historical Geology Lecture 15 Early Paleozoic Life Historical Geology The Paleozoic Fauna Bryozoans Phylum: Bryozoa Class: Stenolaemata Order: Trepostomatida ...
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Slug Mold Dictyostelium
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