Phylum. The classification system goes: Kingdom, Phylum, Class, Order, Family, Genus, Species. Anything that shares a class also share anything above it.
Answer: True
Explanation: When they burn they release a lot or big amounts of carbon dioxide it releases carbon dioxide into the air
The basic difference is that eukaryotic cells have a nucleus and prokaryotic cells do not have a nucleus.
Your answer is A because B and C don't make sense and D is wrong