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Biology 13 Online
OpenStudy (anonymous):

Dinosaurs lived only during the ___________. Paleozoic era Mesozoic era Precambrian era Cambrian period Tertiary period

OpenStudy (solidicecream):

Dinosaurs lived only during the Mesozoic era this era began 245 million years ago and lasted for 180 million years.

OpenStudy (anonymous):

Thank you, dear.

OpenStudy (solidicecream):

No problem @AnnalieseBronz.

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