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The top documents tagged [precambrian period]
Education
Rebuking Evolution
261 views
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Introduction to Chlorella
63 views
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The History of Life Chapter 12. The Fossil Record Fossil Forming Perminerilization Natural Casts Trace Fossils Amber preserved fossils Preserved
221 views
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Agenda 4/18 We will start a project that counts as a test grade on Monday! Unit test is 4/28! Warm-Up: How old do you think the Earth is? Geologic Time
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Phanerozoic eon “Visible Life” Paleozoic Era: old life Mesozoic Era: middle life Cenozoic Era: recent life
226 views
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1 “We warn you that unless you act quickly and decisively, our homeland and others like it will disappear beneath the rising sea before the end of this
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STROMATOLITES. strōma, mattress, bed, stratum lithos, rock Means “ stony carpet ” Are considered as accretionary structure. Formed in shallow water by
217 views
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Extinctions. Loss of Biodiversity EXTINCTION - the disappearance of a species Extinctions have been occurring constantly at a low 'background rate', usually
217 views
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Sponges: Phylum Porifera Scuba sponges “pore-bearers”
233 views
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The History of Life. Take a guess! How old is the Earth? When did the first living things appear on the planet? When did the first humans appear on Earth?
213 views
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STROMATOLITES
29 views
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Introduction to chlorella
227 views