Timeline of life on earth
[DOC File]Earth History Timeline
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History of Life on Earth. Get your 5m long strip of paper (6 sheets cut into thirds – the long way - and taped together) and label with all of the follow living things appeared (Start with “Earth Forms”). Affix the appropriate image. Also be sure to label the . Cenozoic, Mesozoic, Paleozoic and Precambrian . eras
[DOC File]Geologic Time Scale
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TIMELINE OF LIFE: The basic timeline is a 4.6 billion year old Earth, with (very approximately): 4 billion years of simple cells (prokaryotes), 3 billion years of photosynthesis, 2 billion years of complex cells (eukaryotes), 1 billion years of multicellular life, 600 million years of simple animals,
[DOC File]History of Life on Earth
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Pictorial Model of the Geologic Time line and the Development of Life on Earth. Background Information. The . geological time scale (table 23.1) pertains to the history of the earth from its formation 4 to 4.5 billion years ago to the present. The ages of rocks can be measured in years by analyzing naturally occurring radioactive elements found ...
[DOCX File]Mrs. Saullo - Home
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What evidence does your timeline provide for changes to Earth’s environment? Propose an explanation for why it took so long for an oxygen-rich atmosphere to form. Then propose an explanation for why it took so much longer for the ozone layer to form. Once the ozone layer formed, life quickly adapted to land. Propose an explanation. Life On Earth
Earth Timeline: A Guide to Earth's Geological History and Events [In…
Around that time an explosion of life began, producing a tremendous variety of organisms that have inhabited the earth since that time (most of which are now extinct). PURPOSE: In this activity, you will create a timeline for the entire history of the earth over the distance of 1 meter.
[DOC File]Modeling the Geologic Time line and the Development of ...
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Timeline of Earth. Learning Target: Construct a claim based on evidence about the simultaneous coevolution of Earth’s system and life on Earth. Success Criteria: Create a timeline to display Earth’s geological and evolutionary history. Describe how Earth’s atmosphere changed as photosynthetic organisms evolved.
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