'Oldest fossils' diaporamas de présentation

Chimp and us

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Diversity of Life

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CHAPTER 34

CHAPTER 34. VERTEBRATES. OVERVIEW. The animals called vertebrates get their name from vertebrae, the series of bones that make up the backbone There are about 52,000 species of vertebrates, including the largest organisms ever to live on the Earth

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The Theory of Evolution

The Theory of Evolution. The theory of Evolution. Evolution is known as the gradual change in the characteristics of a species over time. The theory of Evolution. A species is a group of organisms whose members look alike and successfully reproduce among themselves. The Theory of Evolution.

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Chapter 17 The History of Life

Chapter 17 The History of Life. Fossil imprint. The Fossil Record. Provides evidence about the history of life on Earth. It also shows how different groups of organisms, including species, have changed over time.

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Hominid Evolution: On The Origin of Humans.

Hominid Evolution: On The Origin of Humans. Questions to answer:. What is a human? What is a hominid? What were early humans (hominids) like? How long have humans (hominids) been around? Where - and when - did modern humans ( Homo sapiens ) originate? How have we changed?

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Big Idea 1

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Blueprint of Life Topic 4 : Evidence to Support the Theory of Evolution: Palaeontology

Blueprint of Life Topic 4 : Evidence to Support the Theory of Evolution: Palaeontology. Biology in Focus, HSC Course Glenda Childrawi , Margaret Robson and Stephanie Hollis. DOT POINT(s).

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The Paleogene World

The Paleogene World. Holocene. Two-fold subdivision of Cenozoic: Paleogene , Neogene Previously , Cenozoic was divided into Tertiary (Paleocene-Pliocene) and Quaternary (Pleistocene-Holocene). Pleistocene. Neogene. Pliocene. Miocene. 24. Cenozoic. Oligocene. Paleogene. Eocene.

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Evidence of

Evidence of. Evolution. FOR EVOLUTION. Evidence of Evolution. 1. Fossils 2. Geographic Distribution 3. Homologies. Fossil Record. What is a fossil ? - T he preserved remains of a once-living organism. How do fossils help scientists ? 1. Tells us what organisms lived long ago

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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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Origin of Life

Origin of Life. Origin of the Earth. Universe formed 15 billion years ago (Big Bang) Galaxies formed from stars, dust and gas Earth formed 4.6 billion years ago. Origin of the Atmosphere. Suns energy stripped away 1 st atmosphere 2 nd atmosphere formed from volcanic outgassing

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How Life Began

How Life Began. http://cmex.ihmc.us/VikingCD/Puzzle/Evolife.htm. 1. Physical and Chemical Characteristics. A. Early atmosphere was thicker with carbon dioxide and red in color. B. The ocean was olive in color C. Great Bombardment Asteroid/meteorite bombardment created harsh conditions.

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Precambrian Era

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Evidence for Evolution

Evidence for Evolution. Part III. Fossil Evidence: Summary. Rock strata ordered bottom to top, shows fossils oldest to youngest

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Africa

Africa. History of Sub-Sahara Africa. Cradle of Humankind. Dating back as far as 3.5 million years ago!. T he oldest fossils of the early ancestors of humankind. Great Rift Valley Video. Ghana Empire Mali & Songhai. Timbuktu- Muslim Empire. Gold Salt Trade Western Empires.

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Evolution

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Chapter 17 Section 3 Evolution of Multicellular Life

Chapter 17 Section 3 Evolution of Multicellular Life. Objectives: -Describe the key forms of life in the Paleozoic, Mesozoic, and Cenozoic eras. What has been learned from fossils. Several episodes of mass extinction that fall between time divisions

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