Biology, 13.06.2020 18:57 Randomkid0973
Study the image about geologic time.
A geochronological scale measured in Millions of Years Ago or M Y A. Cenozoic era: Paleogene period, 66 to 23 M Y A, diatrima, many types of mammals, smilodon. Neogene period, 23 to 2.6 M Y A, smilodon, mammoth. Quaternary period, 2.6 to today, human, mammoth.
During which period did humans first appear on Earth?
Quaternary
Neogene
Paleogene
Cenozoic
Answers: 2
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Study the image about geologic time.
A geochronological scale measured in Millions of Years Ago or...
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