Artiodactyla
Proboscidea
Sirenia
Perissodactyla
A. Artiodactyla
presence of thecodont dentition
a four-chambered heart
presence of corpus callosum in brain
presence of diaphragm
incisors
canines
premolars
molars
Chiroptera
Rodentia
Insectivora
Edentata
a four-chambered heart
a pair of testis
a pair of lungs
a diaphragm between thorax and abdomen
Pig
Camel
Cow
Goat
sound
tail
external ear
fore limbs
bony fishes
whales
sea lions
sea anemones
mammals with a single nostril
mammals with a single gill slit
mammals with a single cloacal aperture
mammals with a single mouth
skin with glands
hairy skin
true placentation
locomotary hindlimbs
Artiodactyla
Proboscidea
Sirenia
Perissodactyla
flying lizard
flying fish
bat
none of these
Dolphins
Oractologus cuniculus
Homosapiens fassilis
Homosapiens sapiens
deer
whale
donkey
dog
gibbon
chimpanzee
oranguttan
none of these
dogs and cats
monkeys and apes
cows and sheeps
rats and rabbits
Rodentia
Carnivora
Edentata
Leguminea
dinosaur
duck
fossil mammal
monotreme mammal
mammals
birds
reptiles
amphibians
Proboscida
Ruminants
Perissodactyla
Artiodactyla
Rodentia
Insectivora
Sivenia
Shiroptera
Proboscida
Sirenia
Cetacea
None of these
India
Malaysia
Africa
New Zealand
Frog
Rabbit
Pigeon
Lizards
sweat
milk
wax-like material
oily fluid
presence of pinna and diaphragm
presence of hair and mammary gland
presence of sweat and sebaceous glands
viviparity and placenta
produce ultrasonic sound
produce infrasonic sound
have powerful nocturnal eyes
have powerful wings
field rat
snail
jackal
parakeet
lemur
loris
baboon
chimpanzee
rabbit
sloth
pika
porcupine
molars
premolars
incisors
canines