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Unit E: Planet Earth

Unit E: Planet Earth. Interpreting Fossils. Methods Used to Interpret Fossils. The fossil record in rocks indicates a sequence of different life forms appearing at different times.

jillian-foley
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Unit E: Planet Earth

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  1. Unit E: Planet Earth Interpreting Fossils

  2. Methods Used to Interpret Fossils • The fossil record in rocks indicates a sequence of different life forms appearing at different times. • Single celled life forms appeared before multi-celled life forms, plants before animals, and invertebrates before vertebrates. • Older rocks show more diversity than there is today.

  3. Studying Sedimentary Layers Of Rock • The principle of superposition states that in undisturbed layers of rock, the oldest layers are always on the bottom and the youngest layers are always on the top. • Geologists use a technique called relative dating, to find the order in which events occurred. • The relative age of the rock is determined by its position within the strata. • Fossils found in a layer can help to identify the age of the rock.

  4. What’s Alberta’s role? • The Royal Tyrrell Museum of Paleontology, is located in Dinosaur Provincial Park, in the Badlands of Drumheller, Alberta. • It was named after Joseph Burr Tyrell. • In 1884 Joseph Burr Tyrrell discovered the skull of Albertosaurus near Drumheller, Alberta. • His find sparked international interest among paleontologists.

  5. What do these places look like? • http://www.seevirtual360.com/themes/2/theme02.aspx?listingID=8716

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