Bio1B Mammals

Monotremes

• Lay leathery eggs

• Sweat milk from pores on abdomen

• No teeth

• Single duct for waste production

Marsupials

• Native mostly to australia

• Young grow in pouch

Afroteria

• Atlantogenata

• Emerged from a clade in the 1990s

Xenartha

• Native to America

• Basal placental mammmal

• Unique teeth

• Low metabolic rate

Rodentia

• One pair of cont. growing incisors separated from rest of teeth

• 40% of mammals

Lagomorpha

• 2 pairs of incisors in upper jaw (peg teeth)

• Females larger than males

Monkeys

• Walk on palms

• Africa and America

Lesser apes

• Brachiate via swinging on trees

• Gibbons

Greater apes

• Brachiate via knuckle bipedalism

Perissodactyla

• 1 or 3 toes

Artiodactyla

• 2 or 4 toes

Carnivora

• flesh eater

• front set eyes

• sharp developed teeth

Chiroptera

• patagium

• more agile than birds