The ciliated larval form of many mollusks is call the D
Explanation:
Bacteria is a unicellular organism don't have any nucleus or cell walls and reproduce by splitting in two.
2. Paramecium is also a unicellular organism that reproduces by splitting in two.
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Answer:
Speciation, it's the formation of a new organism in evolution
The answer would be A, an electron is found outside of the nucleus.