'Fossil organisms' presentation slideshows

The History of Life on Earth

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Geologic Time Chapter 8

Geologic Time Chapter 8. Historical notes. Catastrophism Landscapes developed by catastrophes James Ussher, mid-1600s, concluded Earth was only a few thousand years old (created in 4004 B.C.) Modern geology Fundamental principle of geology

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Chapter 8 Geologic Time

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Fossils

Fossils. Remains of Ancient Plants And Animals, Evidence of Life . Commonly Preserved:. Hard Parts of Organisms: Bones Shells Hard Parts of Insects Woody Material . Rarely Preserved. Soft or Easily Decayed Parts of Organisms: Internal Organs Skin Hair Feathers. Types of Fossils.

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Evolution

Evolution. The Theory of Natural Selection and the Survival of the Fittest. Lesson Objectives. At the end of this lesson you should be able to Define evolution Outline the Darwin and Wallace Theory of natural selection

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Tides and Tidal Forces

Tides and Tidal Forces. Near Satellites Orbit Faster. What If Satellites Are Tethered?. The Tension Is Real. There are Two Tidal Bulges on Earth. Both Moon and Sun Cause Tides. Tides on the Real Earth. Tidal Friction. Tides Affect Earth and Moon . Tides and the Earth-Moon System.

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Evidence of Past Climates

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Arthropods

Arthropods. Virginia Fountain Shannon Scarboro Samantha Singleton Ashton Gorlesky Nick Hahn . Characteristics of Arthropods . Exoskeletons (which are made out of a protein called chitin) Jointed Appendages Segmented bodies

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