8:56 00 Geologic Time … .. Please note: In addition to the directions provided for this concept sketch, all concept sketches for the entire class MUST include a works cited section telling your instructor where you got your information, base drawing etc. for full credit. Download 75 % 3 of 4 topics complete A Geologic Time Scale Concept Sketch Word Document Constructing a Concept Sketch A ✓ Video Concept Sketch Rubric PDF document Geologic Time Dropbox ESC1000C Geologic Time Scale Concept Sketch For this activity, you will be reviewing the geological time scale in the module reading assignment from the Geological Time chapter in the PRI Digital Atlas of Ancient Life – online textbook and the Earth History chapter from the OER Commons Earth Science Textbook. Use the images of the geologic time scales in your readings to help you make your Geologic Time Scale concept sketch. 60 points Instructions: Sketch and label a geologic time scale. Include dates of the following events in Earth History on your time scale in the appropriate time period (you may have to look these up on the internet but most are listed in your readings). • First appearance of free oxygen in the atmosphere • Earliest fossils • Oldest animal fossils • Great Dying Extinction (worst mass extinction at end of the Permian Period) – also explain possible causes of this extinction • Archaeopteryx sp, appeared • First Flowering Plants • Tyrannosaurus rex appeared • K-T Extinction event (Dinosaurs died out) – also explain possible causes of this extinction • Last Ice Age began • First Homo Sapiens appear Remember, detail is key. The causes of the two extinctions can be listed below your diagram with explanations. Upload your concept sketch to the drop box provided. 9:00 P 00 mycourses.spcollege.edu/dź 24 Concept Sketch Grading Rubric (possible 50 points) Content Essential concepts shown, important relationships portrayed, no conceptual errors or evidence of misunderstanding (40 points) Sketch detailed and clearly drawn, labels and captions clear Detail/Presentation (10 points) SPC mla mig mg mic +

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