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Mathematics 17 Online
OpenStudy (anonymous):

HELP ME!!!!!!!!!!! 1.Scientists believe that ancient ancestors of all animals were? A. Single celled prokaryotes that reproduced asexually. B. Single celled eukaryotes that sometimes grew in colonies. C. Multicellular organisms that were probably autotrophic D. Multicellular organisms with an alternation of generation life cycle.

OpenStudy (anonymous):

wrong section

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