Transcript Chapter 26
LECTURE PRESENTATIONS
For CAMPBELL BIOLOGY, NINTH EDITION
Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Chapter 26
Phylogeny and the Tree of Life
Lectures by
Erin Barley
Kathleen Fitzpatrick
© 2011 Pearson Education, Inc.
• Phylogeny is the evolutionary history of a species
or group of related species
– Phylogenies show evolutionary relationships
© 2011 Pearson Education, Inc.
Figure 26.2
Binomial Nomenclature
• Lumbricus terrestris
• Panthera leo
• Canis lupis
• Canis domesticus
© 2011 Pearson Education, Inc.
Figure 26.3
Species:
Panthera pardus
Genus:
Panthera
Family:
Felidae
Order:
Carnivora
Class:
Mammalia
Phylum:
Chordata
Domain:
Bacteria
Kingdom:
Animalia
Domain:
Eukarya
Domain:
Archaea
Figure 26.4
Order
Family Genus
Species
Panthera
Felidae
Panthera
pardus
(leopard)
Taxidea
Lutra
Mustelidae
Carnivora
Taxidea
taxus
(American
badger)
Lutra lutra
(European
otter)
Canis
Canidae
Canis
latrans
(coyote)
Canis
lupus
(gray wolf)
From Two Kingdoms to Three Domains
• The tree of life suggests that eukaryotes and
archaea are more closely related to each other
than to bacteria
© 2011 Pearson Education, Inc.
Figure 26.21
Eukarya
Land plants
Green algae
Cellular slime molds
Dinoflagellates
Forams
Ciliates
Red algae
Diatoms
Amoebas
Euglena
Trypanosomes
Leishmania
Animals
Fungi
Green
nonsulfur bacteria
Sulfolobus
Thermophiles
(Mitochondrion)
Spirochetes
Halophiles
COMMON
ANCESTOR
OF ALL
LIFE
Methanobacterium
Archaea
Chlamydia
Green
sulfur bacteria
Bacteria
Cyanobacteria
(Plastids, including
chloroplasts)