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lizards and first birds appeared. north american continent drifted northwest and the atlantic ocean formed between america and north africa.
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Horsetails and Ferns appeared, and so did seed bearing plants, and wingless insects. First lungfish which breathed air appeared.
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First vasular plants appered. Milipedes appeared on land. Primitive fish with jaws. North America and Europe/Africa moved together and more rocks were pushed up.
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Homo habilis, first species of humans. Blue ridge and Piedmont now appeared causing grasslands.
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Mammals and bird familes became recongnizleable. Grass spread and apes appeeared.
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Mammals evolved rapidly and more diverse. Flower evolved and spread, and the ocean advanced.
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early mamals diversified and first large mamals apeared. Climate is still tropical
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amphibians and reptiles were diversed and a number of invertabrates no longer existed. Te climate cooled and then the App mountains were complete.
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north american and euro african continents collided resulting in last period of the app mountain range.
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pangea was created and trees grew taller. The first verabrates appeared on land.
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In the sea, invertebrates diversified and tiny vertebrates appeared. First green plants and fungi appeared.
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Invertebrates diversified in to many new types and first tiny one appeared. First green plants and fungi appear on land.
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Oxygen producing bacteria became life. Atmosphere became oxygeni. Cells with nucleui emergerd.
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Simple single celled life emerged. First oxygen producing bacteria came into play. At this time Earth's atmosphere have carbon dixode. Lands mass of North America began to form.
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Earth formed 4,500 million years ago. Dusts and clouds collasped into the sun. Soon enough the earth had a stable crust. First life forms evolve.