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Silurian Period 408 - 438 Million Years Ago

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What period did insects first appear?

The first insects appeared in the Devonian, over three hundred fifty million years ago.


When did the first multicellular organism appear?

Multicellular organisms first appeared during the Vendian period.


What period did human ancestors first appear in?

Humans first appeared during the Quanternary Period which includes the Pleistocene and Holocene epochs.


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Humans first appeared during the Quanternary Period which includes the Pleistocene and Holocene epochs.


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Insects are one of the oldest groups of organisms, with fossil evidence suggesting they appeared around 400 million years ago during the Devonian period.


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The first plants with spores, which indicates that they were land plants, appeared in the Middle Ordovician period, about 470 million years ago. First records of tetrapods, or land animals, show up in the fossil record around 370 million years ago.


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