Question

When did the protozoar first.​

Answer 1

Answer:

1.5 billion years ago

Explanation:

1. Protists were as Dominent form of life on earth 1.5 billion years ago.
2. While Protozoar Envolve early and have survive to the present day as unicellular organisms.
3. They have undoubtedly undergone considerable evolutionay change .

Answer 2

Answer:

1.5 billions years ago

Explanation:

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