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