Fossils can be used by examine their analogous structures...... give him Brainliest
Answer:
Cell theory refers to the idea that cells are the basic unit of structure in every living thing. Development of this theory during the mid 17th century was made possible by advances in microscopy. This theory is one of the foundations of biology.
Answer:
I believe the answer is B. External
Explanation:
https://pad let.com/jointhebrainslugarmy/ed156h7euhm06oi8
USE NO SPACES IN PAD LET.
JOIN THE BRAIN SLUG ARMY.
DON'T LET THE PENGUINS WIN!!!