lion, tiger, panther, cat
goat, sheep, bison
horse, zebra, donkey, pony
none of these
B. goat, sheep, bison
dinosaur
duck
fossil mammal
monotreme mammal
a four-chambered heart
a pair of testis
a pair of lungs
a diaphragm between thorax and abdomen
lemur
loris
baboon
chimpanzee
mammals
birds
reptiles
amphibians
herd
colony
harem
flock
field rat
snail
jackal
parakeet
bony fishes
whales
sea lions
sea anemones
produce ultrasonic sound
produce infrasonic sound
have powerful nocturnal eyes
have powerful wings
man
gorilla
gibbon
chimpanzee
eutherian mammals only
eutherians and prototherians
metatherians and prototherians
metatherians and eutherians
eutherians
protherians
metatherians
marsupials
Dolphins
Oractologus cuniculus
Homosapiens fassilis
Homosapiens sapiens
echidna
shrew
dolphin
kangaroo
sound
tail
external ear
fore limbs
Pig
Camel
Cow
Goat
sweat
milk
wax-like material
oily fluid
incisors
canines
premolars
molars
gibbon
chimpanzee
oranguttan
none of these
Whales
Penguins
Bears
None of these
deer
whale
donkey
dog
dogs and cats
monkeys and apes
cows and sheeps
rats and rabbits
plantigrade locomotion
digitigrade locomotion
unguligrade locomotion
terrestrial locomotion
kangaroo
shrew
kangaroo rat
spiny ant eater
Chiroptera
Rodentia
Insectivora
Edentata
molars
premolars
incisors
canines
lion, tiger, panther, cat
goat, sheep, bison
horse, zebra, donkey, pony
none of these
gnu
mustang
ibex
puma
skin with glands
hairy skin
true placentation
locomotary hindlimbs
Proboscida
Ruminants
Perissodactyla
Artiodactyla
Rodentia
Insectivora
Sivenia
Shiroptera