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The genomes of _____ are most similar to those of the first living organisms on earth

a. mammals
b. bacteria
c. viruses
d. frogs

1 Answer

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Final answer:

The genomes of bacteria are most similar to those of the first living organisms on Earth.

Step-by-step explanation:

The correct answer is b. bacteria. The genomes of bacteria are most similar to those of the first living organisms on Earth. Bacteria are prokaryotic organisms that lack a membrane-enclosed nucleus and other membrane-bound organelles. They are simple, single-celled organisms that have been evolving for billions of years and have played a crucial role in the development of life on Earth.

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