Answer:
This is allopatric speciation. The organisms were separated from each other by the containers. The separation caused them to evolve to the point that they were more likely to mate with each other than with a member of another tank.
Explanation:
The kingdoms that include both unicellular & multicellular are protist & fungi
<em>it would be b and c</em>
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<em>it's the whole ''ecosystem''</em>
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