Question

All life on Earth started as unicelluar, prokaryotic organisms. Which of these structures was vital for organisms to develop in order to evolve into more complex, multicellular organisms?
A) nucleus
B) ribosomes
C) cytoplasm
D) cell membrane

Answer 1

The answer is (A) nucleus. The keyword is prokaryotic, which means original organisms did not have a nucleus.

Answer 2

The answer is A. Good Luck!