Answer:
Scientists believe that prokaryotes existed earlier than eukaryotes because certain eukaryote cell structures resemble prokaryotes.
Explanation:
Thank me later.
The rotifer, or wheel animal, which can be as small 50um.
Answer:
D.
Explanation:
The synonym for circulatory system is the cardiovascular system.
It's called merging cells. I don't understand why this is in Biology but whatever.
