2.  12 Orders of Placental Mammals
• Insectivores - insect eaters with long, narrow
snouts and sharp claws (ex. shrews,
hedgehogs, moles)

3.  12 Orders of Placental Mammals
• Sirenians - large, slow moving mammals that
live in aquatic environments (ex. Manatees,
dugongs)

4.  12 Orders of Placental Mammals
• Cetaceans -aquatic mammals that must come
to the surface to breathe (ex. whales,
dolphins)

5.  12 Orders of Placental Mammals
• Rodents -have a single pair of long, curved
incisor teeth (mice, rats, voles, squirrels,
beavers, procupines, gophers, chipmunks,
gebils, prairie dogs, chinchillas)

6.  12 Orders of Placental Mammals
• Artiodactyls - hoofed mammals with an even
number of toes on each foot (cattle, sheep, goats,
pigs, giraffe, hippopotami, camels, antelope, deer,
gazelles)

7.  12 Orders of Placental Mammals
• Lagomorphs - herbivores with two pairs of incisors
and hind legs adapted for jumping (ex. snowshoe
hares, rabbits)

8.  12 Orders of Placental Mammals
• Carnivores - have sharp claws and teeth that they
use to catch, kill, and eat prey (ex. cats, dogs,
foxes, bears, raccoons, walruses)

9.  12 Orders of Placental Mammals
• Chiropterans - winged mammals (ex. Bats)

10.  12 Orders of Placental Mammals
• Xenarthrans - simple teeth without enamel, or no
teeth (ex. sloths, anteaters, armadillos)

11.  12 Orders of Placental Mammals
• Primates - highly developed cerebrum and
complex behaviors (ex. lemurs, tarsiers, apes,
gibbons, macaques, humans)

12.  12 Orders of Placental Mammals
• Proboscideans - mammals with trunks (ex.
elephants)