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Biology 13 Online
OpenStudy (anonymous):

Fossilized evidence of Earth's first forms of life would consist of a. vertebrates from the Precambrian b. invertebrates from the Precambrian c. eukaryotes from the Precambrian d. prokaryotes from the Precambrian

OpenStudy (anonymous):

Ask yourself - Which of those groups of organisms is the oldest?

OpenStudy (faman39):

Its B .

OpenStudy (kailee1423):

It wasn't B

OpenStudy (hollywood):

its D

OpenStudy (jtfan2000):

It was B on my exam

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