PPT-Cambrian Explosion &

Protostome Diversity Darwins Dilemma Timeline of Earth History The Cryogenian Periods of global glaciation 635850 MYA Sponges appear in the fossil record 760MYA Ediacaran 635542 MYA. GEOL 2110. The Paleozoic Era. Cambrian and Ordovician History of Minnesota and Wisconsin. Major Concepts. When sea-level rose in the Cambrian and Ordovician (Sauk and Tippecanoe . Trangressions. ), the mid-continent of . Proof . Cameras . What is Explosion Proof (EX)?. Electric Powered Industrial Equipment, used in areas containing explosive or flammable materials, must be designed to prevent any operation of the equipment from igniting the atmosphere. The design and construction of EX Equipment permit their classification as Explosion Proof (EX) and enable their use in explosive and hazardous atmospheres.. Capella. – 27. th. March 2014. Moura. #4. 16. th. July. 1986. 12 Men Killed.. Moura #4. Pillar Extraction in Main Dips. 60m of massive sandstone roof. Fairly gassy (7m3/t – BUT 7 m thick). Roof fall - CH4 into workings. The so called Cambrian Explosion begins at the base of the Paleozoic Era, some 540 million years ago. Fossil Record suggests:. The Cambrian Explosion likely realized a 10-fold increase in evolutionary adaptation . How long ago were the dinosaurs here? How do we even describe geologic time anyway?. EONS. which are divided into . ERAS. ,. which are divided into. . PERIODS. ,. which are divided into. . EPOCHS. February . 28, . 2016. Questions. Doesn’t science disprove or remove the need for God?. With so many religions, how can you tell which one is right?. Don’t they all basically say the same thing?. 1) Geological Time Scale. 2) Major Episodes in History of Life. 3) Extinctions and Radiations. Today. ’. s OUTLINE:. Geology plays an Important role in Evolutionary Thinking. Patterns of extinctions and evolutionary change in the fossil record were among the main influences on. A) is an essential part of the gradualist model of evolution. B) refers to morphological stasis, not molecular stasis. C) suggests strong directional selection. D) is more likely in . dueterostomes. E) none of the above. The . Cryogenian. Periods of global glaciation (635-850 MYA). Sponges appear in the fossil record (~760MYA). Ediacaran. 635-542 MYA. Begins at the cap carbonate that forms following a glaciation event (at the last one of the . Bonneville High School. Mr. Walker. Water and Life. The origin and maintenance of life on earth depends on water. . Allows the basic . biomolecules. .. Lipids. Carbohydrates. Nucleic Acids. Proteins. Understanding the Great Ordovician Biodiversication Event (GOBE): Inuences of paleogeography, paleoclimate, or paleoecology? Thomas Servais, Equipe “Paléontologie et Paléogéograph Cambrian Explosion. Fig. 25-10. Sponges. Late. Proterozoic. eon. Early. Paleozoic. era. (Cambrian. period). Cnidarians. Annelids. Brachiopods. Echinoderms. Chordates. Millions of years ago. 500. 542. Episyenites. in Southern New Mexico. By Adam Smith. Episyenites. Hypothesis: . Episyenites result of fenitization from fluids related to . Cambro. -Ordovician alkaline magmatism . 525-457 . Ma in . NM and CO. Explosion welding (EXW) is a solid-state welding process in which rapid coalescence of two metallic surfaces is caused by the energy of a detonated explosive. .. It is commonly used to bond two . dissimilar metals.