Indian elephant
African elephant
Blue whale
None of these
C. Blue whale
sea cows, sea lions and walrus
horses, zebras, and tapirs
whales, dolphins and porpoises
goat, sheep and bison
presence of pinna and diaphragm
presence of hair and mammary gland
presence of sweat and sebaceous glands
viviparity and placenta
bony fishes
whales
sea lions
sea anemones
deer
whale
donkey
dog
rabbit
sloth
pika
porcupine
eutherian mammals only
eutherians and prototherians
metatherians and prototherians
metatherians and eutherians
Rodentia
Insectivora
Sivenia
Shiroptera
Sirenia
Rodentia
Camivora
Lemuroidea
Lemuroidea
Anthropoidea
Primates
Any of these
kangaroo
shrew
kangaroo rat
spiny ant eater
mammals with a single nostril
mammals with a single gill slit
mammals with a single cloacal aperture
mammals with a single mouth
man
gorilla
gibbon
chimpanzee
gibbon
chimpanzee
oranguttan
none of these
Rodentia
Carnivora
Edentata
Leguminea
Cetacea
Chiroptera
Rodentia
Primata
incisors
canines
premolars
molars
Artiodactyla
Proboscidea
Sirenia
Perissodactyla
hairs only
hairs and claws
hairs, claws and horns
hairs, horns and hooves
presence of thecodont dentition
a four-chambered heart
presence of corpus callosum in brain
presence of diaphragm
dogs and cats
monkeys and apes
cows and sheeps
rats and rabbits
Pig
Camel
Cow
Goat
Proboscida
Ruminants
Perissodactyla
Artiodactyla
wolf
fox
jackal
hyanea
flying lizard
flying fish
bat
none of these
eutherians
protherians
metatherians
marsupials
store water
loose water
uses metabolic water
conserve water through kidneys
Dolphins
Oractologus cuniculus
Homosapiens fassilis
Homosapiens sapiens
a four-chambered heart
a pair of testis
a pair of lungs
a diaphragm between thorax and abdomen
dinosaur
duck
fossil mammal
monotreme mammal
hedgehog
porcupine
shrew
none of these