Ungulates

Question 1

Order (Odd-toed ungulates)

Answer 1

Perissodactyla, main weight-bearing axis passes through third digit, hindgut fermentation

Question 2

Family (Horses, asses, zebras)

Answer 2

Equidae, most highly cursorial perissodactyls, one manual digit, adapted to grassland

Question 3

Family (Tapirs)

Answer 3

Tapiridae, stocky build, short proboscis fromed from upper lip and nostrils, moist tropical forest

Question 4

Family (Rhinoceroses)

Answer 4

Rhinocerotidae, stocky build, one-two “horns” of agglutinated hairs, three manual digits, tropical/sub-tropical

Question 5

Order (Even-toed ungulates)

Answer 5

Artiodactyla, weight-bearing axis between 3rd and 4th digits, cheek teeth variable

Question 6

Family (Pigs and warthogs)

Answer 6

Suidae, simple stomachs, bunodont teeth, prominent snout

Question 7

Family (Camels, llamas)

Answer 7

Camelidae, only living fully digitigrade ungulates, upper incisors present, large pads on feet

Question 8

Family (Chevrotain)

Answer 8

Tragulidae, resemble deer, but males without antlers, curved upper canine

Question 9

Family (Giraffe and okapi)

Answer 9

Giraffidae, neck and legs long, unique horn structure (not extensions of frontals)

Question 10

Family (deer, elk, moose, caribou)

Answer 10

Cervidae,antlers present, orifice of lacrimal canal double

Question 11

Family (pronghorn antelope)

Answer 11

Antilocapridae,horns present, forked, horn seaths shed annually, foramina at base of horn cores

Question 12

Family (antelope, bison, sheep, goats, cattle)

Answer 12

Horns usually present, not forked, orifice of lacrimal canal single, teeth selenodont, 4-chambered stomach that have evolved in galloping mammals, and how each contributes to running ability.