What's true of any eukaryotic cell, because whether or not they are in a multicellular organism they still contain this one characteristic, is that they contain a nucleus. A nucleus is a membrane-bound organelle inside a eukaryotic cell, and this cannot be found in any prokaryotic cells such as bacteria or archaeans. The other three characteristics can all be found in bacteria and archaea.
Caffeine since it's an ingredient that boosts you're body in energy.
I believe it would be Bone Tissue and Connective Tissue
I believe this will help you.
http://www.nairaland.com/703151/why-did-islam-not-spread
Warmer or hotter I’m just built different sorry