History of Earth Timeline Activity.docx



A Brief History of Life on EarthIn this activity, you will create a card that describes one of the seminal events in the history of life on Earth. You will then connect your card to a timeline of Earth history, attaching it in the appropriate location. Events:Origin of EarthOrigin of Life (prokaryotic organisms)Origin of photosynthesisOrigin of aerobic cellular respirationEvolution of EukaryotesEvolution of multicellularity.The Cambrian Explosion.Origin of animals.Origin of vascular plantsOrigin of fungiOrigin of gymnospermsOrigin of AngiospermsOrigin of fishOrigin of insectsOrigin of tetrapodsOrigin of amphibiansOrigin of reptilesOrigin of mammalsOrigin of birdsOrigin of HominidsOrigin of genus HomoThe Permian Mass ExtinctionThe Cretaceous Mass ExtinctionCard Directions:Front:Name of event.Geological date of event.A picture that you think appropriately represents your event. If you use artwork from somewhere else, include a source.Back:A description of the event, and why it was important for life.A description of the evidence that supports scientific thinking about the event.Discussion of any ambiguous aspects of the event, or “missing” pieces of the picture.You will attach your card to the wall (hallway) and secure your event to the timeline in the appropriate location (if your event spans a region of time, indicate that on your card, but place it at the earliest date in the timespan).The timeline will be 4.5 meters in length, with present time being on the right of the timeline as you face it. Determine where you will need to place your card PRIOR to coming to class to place it. ................
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