Answer: Option B.
Biogeographical
Explanation:
Biogeographical evidence is the evidence that provide information of organisms distribution over geographical areas. It provide information on how and when the organisms evolved and common descent.
Frombthe question, biogeographical evidence will help Darwin make his observation
Cell wall and chloraplast!
THAT IS THE ONLY TWO!
hope this helps
xoxo-
Jojo
Gasoline is the correct answer.