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21 February, 16:25

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. Multi-cellular organisms that were probably autotrophic.

D. Multi-cellular organisms with an alternation of generations lifecycle.

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Answers (1)
  1. 21 February, 17:02
    0
    A is the answer

    ...
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