It is thought that the mitochondrion was once an individual organism, which later became a part and parcel of the eukaryotic cell in the course of evolutionary history. The facts that support this theory are that a mitochondrion has its own DNA and ribosomes, and can produce many of the proteins it needs. It can also divide to form daughter mitochondria. When it was an independent individual, it belonged to the kingdom ___.

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Solution

The mitochondrion has its own genetic material, but it does not have a nucleus. Hence, it was a prokaryote and must have belonged to kingdom Monera.

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It is thought that the mitochondrion was once an individual organism, which later became a part and parcel of the eukaryotic cell in the course of evolutionary history. When it was an independent individual, it belonged to the kingdom ___.

When mitochondria was an independent individual, it belonged to the kingdom ___.

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