Bacteria, Archaea, and Eukarya

Bacteria

Ester bonds in cell membranes

Has peptidoglycan in its cell wall

Escherichia coli is a bacteria

Archaea

Ester bonds in cell membranes

Ether bonds in cell membranes

Has a histone present

Methanobrevibacter smithii is an archaea

Eukarya

Ester bonds in cell membranes

Have a membrane-bound nucleus

Have membrane-bound organelles

Has a histone present

Has DNA as genetic storage

Black bear is an eukarya