Biologists think early eukaryotic cells might have formed from prokaryotic
cells that
A. had a flexible outer cell membrane instead of a stiff cell wall
B. gradually developed a stiff outer cell wall for protection
c. already had a nucleus instead of one circular chromosome
D. were inside larger predatory cells called bacteria

Respuesta :

B Gradually develops stiff outer cell wall for protection is the answer

Answer:

B: Had a flexible outer cell membrane instead of a stiff cell wall

Explanation:

a p e x