Yes they did. It is generally known that amphibians breathe through their skin.
I believe it is a araebacteria
Hi! human,dog are multicellular organisms. Nucleus,cell membrane, cytoplasm and mitochondria are 4 things that plant and animal cells have.
2.0 because 2.05 is about two and a half where as 2.0 is considered to be a whole number , hope this helps
