dogs and cats
monkeys and apes
cows and sheeps
rats and rabbits
deer
whale
donkey
dog
Proboscida
Sirenia
Cetacea
None of these
Fissipeda
Primates
Carnivora
None of these
incisors
canines
premolars
molars
gnu
mustang
ibex
puma
plantigrade locomotion
digitigrade locomotion
unguligrade locomotion
terrestrial locomotion
mammals
birds
reptiles
amphibians
a four-chambered heart
a pair of testis
a pair of lungs
a diaphragm between thorax and abdomen
eutherians
protherians
metatherians
marsupials
echidna
shrew
dolphin
kangaroo
herd
colony
harem
flock
lion, tiger, panther, cat
goat, sheep, bison
horse, zebra, donkey, pony
none of these
rabbit
sloth
pika
porcupine
eutherian mammals only
eutherians and prototherians
metatherians and prototherians
metatherians and eutherians
Rodentia
Carnivora
Edentata
Leguminea
hedgehog
porcupine
shrew
none of these
molars
premolars
incisors
canines
wolf
fox
jackal
hyanea
Proboscida
Ruminants
Perissodactyla
Artiodactyla
Indian elephant
African elephant
Blue whale
None of these
skin with glands
hairy skin
true placentation
locomotary hindlimbs
Artiodactyla
Proboscidea
Sirenia
Perissodactyla
India
Malaysia
Africa
New Zealand
dinosaur
duck
fossil mammal
monotreme mammal
hairs only
hairs and claws
hairs, claws and horns
hairs, horns and hooves
gibbon
chimpanzee
oranguttan
none of these
Whales
Penguins
Bears
None of these
flying lizard
flying fish
bat
none of these
Lemuroidea
Anthropoidea
Primates
Any of these