'Paleozoic era' presentation slideshows

Chapter 9

Chapter 9 . The Proterozoic: Dawn of a More Modern World. Proterozoic Eon. 2.5 billion years to 542 million years ago Comprises 42% of Earth history Divided into three eras: Paleoproterozoic Era (2.5 - 1.6 by ago) Mesoproterozoic Era (1.6 to 1.0 by ago)

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Group 3

Group 3. Mariel Dela Pena Azel Vivares Allea Micosa Dane Belan Carl Domingo . Guide Questions:. What are the characteristics of Green Algae? What are the 5 major groups of plants?. KINGDOM PLANTAE.

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THEORY OF EVOLUTION

THEORY OF EVOLUTION. What is evolution?. Changes that have transformed life over an immense time. The biological history of earth. ADAPTATIONS. All organisms have adaptations. What is an adaptation? An adaptation is a trait that helps an organism survive. It is inherited.

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Hewitt/Lyons/Suchocki/Yeh Conceptual Integrated Science

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Chapter 19: History of Life on Earth

Chapter 19: History of Life on Earth. Section 1: How did Life Begin?. The condition of early Earth were hypothesized to have oceans filled with small organic molecules by an activation of solar radiation, volcanic eruptions and lightning

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VIZUALIZING EARTH HISTORY

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Earth History

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Figure 24-9-Table 24-1

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Section 2: Precambrian Time and the Paleozoic Era

Section 2: Precambrian Time and the Paleozoic Era. Preview Objectives Evolution Precambrian Time The Paleozoic Era. Objectives. Summarize how evolution is related to geologic change. Identify two characteristics of Precambrian rock.

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Origins of Life on Earth

Origins of Life on Earth. Oldest Fossils. Evidence shows Earth is 4.6 billion years old. Earth cooled and solidified 4.2 billion years ago. The oldest fossils indicating life are 3.5 billion years old.

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A Tectonic explanation of the May 12, 2008, Sichuan Earthquake

A Tectonic explanation of the May 12, 2008, Sichuan Earthquake. Professor Emeritus Tanya M. Atwater Member, U. S. National Academy of Sciences Dept. Earth Science, 1006 Webb Hall University of California, Santa Barbara Santa Barbara, CA 93106-9630 atwater@geol.ucsb.edu.

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Earth Systems 3209

Earth Systems 3209. Reference: Chapters 6, 8; Appendix A & B. Unit: 2 Historical Geology . Unit 2: Topic 4.3 . Mass Extinctions. Focus on . . . r elating the divisions of geologic time with two major mass extinctions in the geologic past. Mass Extinctions in the Geologic Past:.

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Phanerozoic eon

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Geological History of Connecticut

Geological History of Connecticut. Tectonic History Introduction. Paleozoic Era (450-250 million years ago) tectonic plates including Africa and Eurasia collided with the Proto-North American Plate. Super Continent Pangaea was formed

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Geologic Time Scale

Geologic Time Scale. Testing Your Prior Knowledge. See what you know ALREADY!!. 1. How old are you? 2. How old is the Earth? 3. When did the dinosaurs become extinct? 4. When did the greatest extinction occur on Earth? 5. Did dinosaurs exist at the same time as humans?.

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The LATE Paleozoic Era

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Geologic Timescale

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Mutations: CCG ACT A A G TAC CG G CCG ACT A G G TAC CG T

Production Order:. The fuel for natural selection is genomic variation that enables evolutionary adaption to proceed. Without fuel, the machine stops, at least until replenished by the accumulation of new mutations. . Organisms Adapted to Cambrian Selective Pressures:. The Raw Materials.

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