79 1

Marsupial Mammals

• What are some characteristics of marsupial mammals?

• Why are they only found in abundance today in Australia?

80 2

Mammal Evolution

• Note changes through time in Archaic vs. Placental mammals

83 3

Sabre-tooth Cat

• Smilodon californicus• Smilodon, the most

famous of the sabre-toothed cats, is one of the most common fossils in the La Brea tar pits (Pleistocene epoch).

84 4

Chimpanzee-Australopithecine Characteristics

86 5

Hominid skeletons

• Note differences between:

A. A. afarensis

B. A. africanus

C. A. robustus

D. H. sapiens