eutherians
protherians
metatherians
marsupials
A. eutherians
eutherians
protherians
metatherians
marsupials
Rodentia
Carnivora
Edentata
Leguminea
a four-chambered heart
a pair of testis
a pair of lungs
a diaphragm between thorax and abdomen
Dolphins
Oractologus cuniculus
Homosapiens fassilis
Homosapiens sapiens
lemur
loris
baboon
chimpanzee
man
gorilla
gibbon
chimpanzee
Whales
Penguins
Bears
None of these
molars
premolars
incisors
canines
dinosaur
duck
fossil mammal
monotreme mammal
wolf
fox
jackal
hyanea
sea cows, sea lions and walrus
horses, zebras, and tapirs
whales, dolphins and porpoises
goat, sheep and bison
dogs and cats
monkeys and apes
cows and sheeps
rats and rabbits
Frog
Rabbit
Pigeon
Lizards
Cetacea
Chiroptera
Rodentia
Primata
gnu
mustang
ibex
puma
lion, tiger, panther, cat
goat, sheep, bison
horse, zebra, donkey, pony
none of these
India
Malaysia
Africa
New Zealand
mammals with a single nostril
mammals with a single gill slit
mammals with a single cloacal aperture
mammals with a single mouth
hedgehog
porcupine
shrew
none of these
sound
tail
external ear
fore limbs
Fissipeda
Primates
Carnivora
None of these
Artiodactyla
Proboscidea
Sirenia
Perissodactyla
deer
whale
donkey
dog
bony fishes
whales
sea lions
sea anemones
flying lizard
flying fish
bat
none of these
incisors
canines
premolars
molars
rabbit
sloth
pika
porcupine
sweat
milk
wax-like material
oily fluid
plantigrade locomotion
digitigrade locomotion
unguligrade locomotion
terrestrial locomotion
Indian elephant
African elephant
Blue whale
None of these