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earth's hot harsh environment cool and endless rain for millions of years.
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environment is less hearsh. simple organisms. ocean is forming slowly. atmosphere is being introduced with more and more oxygen.
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diverse trilobites. earliest reefs and fish.
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early amphibians ammonoids, and sharks. exctinction of armored fish
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pangea begins to break up. mass excintion of marine animals including trilobites. earliest known mammals, dinosuars and coral groups.
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dinosuars become exctinct(late mesozoic). earliest flowering plants(early).
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abundance of dinosuars. earleist known birds.
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abundance of mammals. humans evolve(late)
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increased technology and factories used to maked humans lives easier and lazier
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obesity is at it's highest and some technology is bad for the environment
