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During the Cenozoic era, this animal group greatly increased in number. a. insects c. mammals b. reptiles d. fish
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Asked 4/1/2014 12:43:54 PM
Updated 4/2/2014 1:52:27 PM
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Confirmed by sujaysen [4/2/2014 1:52:27 PM]
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User: During the Cenozoic era, this animal group greatly increased in number. a. insects c. mammals b. reptiles d. fish

Weegy: During the Cenozoic era, this animal group greatly increased in number Answer: c. [ mammals. ]
nexie10|Points 353|

User: A egg-laying mammal

Weegy: An egg-laying mammal is the most primitive mammals comprising the only extant members of the subclass Prototheria.
Expert answered|erikalui|Points 672|

Question
Asked 4/1/2014 12:43:54 PM
Updated 4/2/2014 1:52:27 PM
0 Answers/Comments
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [4/2/2014 1:52:27 PM]
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