Question

According to the endosymbiosis theory, scientists believe that early eukaryotes formed from prokaryotes. Why do scientists believe that prokaryotes existed earlier than eukaryotes?

A) All prokaryotes are aquatic in nature.
B) All prokaryotes perform photosynthesis.
C)Prokaryotes have organelles, while eukaryotes do not.
D)Certain eukaryote cell structures resemble prokaryotes.
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Answer 1

D) Certain eukaryote cell structures resemble prokaryotes.

Step-by-step explanation:

Answer 2

The correct option is D.
Endosymbiosis theory postulates that eukaryotic cells evolved from prokaryotic cells. Scientists have discovered that there are many similarities between prokaryotic cells and the organelles in eukaryotic cells.