Complex organisms with gills and lungs were major life forms that existed in the_____________. a. Mesozoic era c. Precambrian era b. Cenozoic era d. Paleozoic era

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asked May 9, 2022 21.7k views

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Complex organisms with gills and lungs were major life forms that existed in the_____________.

a.
Mesozoic era
c.
Precambrian era
b.
Cenozoic era
d.
Paleozoic era

English
college

ChiragBhalgami asked

by ChiragBhalgami

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6 votes

Answer:

D. Paleozoic Era

Step-by-step explanation:

DotNetInfo answered May 10, 2022

by DotNetInfo

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3 votes

Answer:

D which is Paleozoic era

Step-by-step explanation:

Paleozoic era

Yoonju answered May 13, 2022

by Yoonju

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