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In this time period multi celled life forms began to flourish in the marine areas of the earth.
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in this time period large amounts of enchinoderms populated the earths oceans,invertebrates ,mollusks and jawed armored fish are adundant in this time period.
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During this time period there were the earliest signs of terrestrial plants and animals developing such as tiktaalik nad eurypterids.
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with ana extinction of most armored fish, several other species of fish and ammonites thrive, amphibians soone come after.
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large swamps and forrests sprout up along with a abundance of saharks and various species amphibians, even the earliest reptiles come from this period of time.
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during this period a mass extinction occured of many types of marine animals on earth including trilobites.
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during this period there lived the earliest species of dinosaurs and was abundant with cycads and conifers.
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this period in time gave birth to the earliest form of birds and mammals, though dinosaurs were still dominate species on earth.
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this period was the climax of the dinosaurs , but was followed by thier extinction ,there way also a large decline in brachiopods, as there began to be a largeamouynt of bony fish.
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this period gave birth to lots of modern mammals we see today,along with placental mammals , and large running mammals.
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this period in time was ruled by large carnivores, and gave us the earliest neanderthals ,and humans. we also are still living in this time period(;