Multi cellular organisms like animals are eukaryotes
It can be from macroevolution
Basically it will just regenerate its body and continue being a starfish no matter how much you cut from a starfish it will regenerate
The answer is: the "bottleneck effect" .
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<u> The "bottleneck effect" </u><u /> is a type of "genetic drift" resulting from a "reduction in the population" such that the [surviving population] is "no longer genetically representative" [of the original population] .
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