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Scientists believe that the first life forms to appear on planet Earth were probably similar to which modern organisms?

Aviruses
Bbacteria
Cplant cells
Danimal cells

Verified Answer :

Answer: The correct answer is -

B) bacteria.

Explanation:

The first life form on Earth is considered to be a microbe with single-cell, lacking a nucleus and membrane bound subcellular compartments, known as prokaryotes (bacteria).

They seemed to have first appeared around four billion years back, just a few hundred million years after which Earth formed itself.

Thus, scientists believed that the first life forms to appear on planet Earth were similar to bacteria.

Answer:

B

Explanation:

Bacteria

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