hairs only
hairs and claws
hairs, claws and horns
hairs, horns and hooves
B. hairs and claws
deer
whale
donkey
dog
Cetacea
Chiroptera
Rodentia
Primata
Frog
Rabbit
Pigeon
Lizards
incisors
canines
premolars
molars
bony fishes
whales
sea lions
sea anemones
rabbit
sloth
pika
porcupine
eutherians
protherians
metatherians
marsupials
mammals
birds
reptiles
amphibians
wolf
fox
jackal
hyanea
mammals with a single nostril
mammals with a single gill slit
mammals with a single cloacal aperture
mammals with a single mouth
gnu
mustang
ibex
puma
Proboscida
Ruminants
Perissodactyla
Artiodactyla
plantigrade locomotion
digitigrade locomotion
unguligrade locomotion
terrestrial locomotion
echidna
shrew
dolphin
kangaroo
dogs and cats
monkeys and apes
cows and sheeps
rats and rabbits
Indian elephant
African elephant
Blue whale
None of these
hairs only
hairs and claws
hairs, claws and horns
hairs, horns and hooves
Rodentia
Insectivora
Sivenia
Shiroptera
presence of pinna and diaphragm
presence of hair and mammary gland
presence of sweat and sebaceous glands
viviparity and placenta
flying lizard
flying fish
bat
none of these
molars
premolars
incisors
canines
store water
loose water
uses metabolic water
conserve water through kidneys
lemur
loris
baboon
chimpanzee
presence of thecodont dentition
a four-chambered heart
presence of corpus callosum in brain
presence of diaphragm
kangaroo
shrew
kangaroo rat
spiny ant eater
man
gorilla
gibbon
chimpanzee
Proboscida
Sirenia
Cetacea
None of these
produce ultrasonic sound
produce infrasonic sound
have powerful nocturnal eyes
have powerful wings
Rodentia
Carnivora
Edentata
Leguminea
Whales
Penguins
Bears
None of these