Question

one celled organism often found growing on the back of the tree
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Answer 1

Answer:

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Explanation:

Unicellular organisms fall into two general categories: prokaryotic organisms and eukaryotic organisms. All prokaryotes are unicellular and are classified into bacteria and archaea. Many eukaryotes are multicellular, but many are unicellular such as protozoa, unicellular algae, and unicellular fungi.

Answer 2

Answer:

Unicellular organisms.

Explanation:

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