Chordate Characteristics

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Presentation transcript:

Chordate Characteristics

Subphylum Urochordata: a Tunicate

Subphylum Cephalochordata: Lancelet Anatomy

Subphylum Cephalochordata: the lancelet Branchiostoma

Australian Monotremes and Marsupials Spiny Anteater (Monotreme) Sugar glider (marsupial) Marsupial Mouse

Hypothetical Cladogram of Mammals

A Phylogenetic Tree of Primates

Evolutionary convergence of marsupial and eutherian (placental) mammals

Major Orders of Mammals (Monotremata-Sirenia)

Major Orders of Mammals (Edentata-Primates)

Major Orders of Mammals (Carnivora-Cetaceans)

Primate Diversity

Prosimians:Lemurs

Sitting pads, estrus swelling, generally larger A Capuchin, a New World Monkey (left), and a Vervet, an Old World Monkey (rt) Arboreal, no sitting pads or estrus swelling, prehensile tail Sitting pads, estrus swelling, generally larger Others: baboon, macaque,Colobus, Rhesus Others: squirrel monkey, spider monkey, howler monkey

Crested Macaque Showing Estrus Swelling

Orangutan Gibbon Chimpanzee Gorilla

Bonobo

Jane Goodall Today

List: a. two prosimians b. two anthropoids List one characteristic of: a. chordates b. mammals c. primates

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