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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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yxc47 yxc47
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6 years ago

The Mesozoic is known as the Age of Reptiles because
  a. no mammals had yet evolved.
  b. no birds had yet evolved.
  c. Paleozoic invertebrates had all gone extinct.
  d. reptiles were highly diverse and filled many niches.
  e. amphibians evolved into small body sizes.
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NetsirkNetsirk
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6 years ago
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yxc47 Author
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6 years ago
this is exactly what I needed
SupremeDJ
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Yesterday
This helped my grade so much Perfect
hmonier
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2 hours ago
Thanks
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