Universal Ancestor
-DNA as genetic storage
-ester bonds in cell membranes
Bacteria
-presence of peptidoglycan in cell wall
Escherichia coli
common ancestor of Archaea and Eukarya
-histones present
Archaea
-ether bonds in cell membranes
Methanobrevibacter smithii
Eukarya
-presence of membrane-bound nucleus
-presence of membrane-bound organelles
Archaeplastida
-primary plastid
Rhodophytes
Common Ancestor of Chlorophytes, Charophytes, and Land Plants
Chlorophytes
Southern Magnolia
(Magnolia grandiflora)
Excavata
-feeding groove
-secondary plastid
Euglenoids
SAR Clade
Common Ancestor of Stramenopila and Alveolata
-secondary plastids
Stramenopila
-tripartite flagellar hair
Giant Kelp
(Macrocystis pyrifera)
Diatoms
Alveolata
-membranous vesicles on cell membrane
Dinoflagellate
Rhizaria
-filose pseudopodia
Radiolarians
Foraminiferas
Unikonta
Floating topic
Opisthokanta
-single posterior flagellum on swimming cells
American Black Bear
(Ursus americanus)
Black Bread Mold
(Rhizopus stolonifer)
Fly Agaric
(Amanita muscaria)