herd
colony
harem
flock
kangaroo
shrew
kangaroo rat
spiny ant eater
Rodentia
Insectivora
Sivenia
Shiroptera
store water
loose water
uses metabolic water
conserve water through kidneys
echidna
shrew
dolphin
kangaroo
Indian elephant
African elephant
Blue whale
None of these
presence of pinna and diaphragm
presence of hair and mammary gland
presence of sweat and sebaceous glands
viviparity and placenta
wolf
fox
jackal
hyanea
dinosaur
duck
fossil mammal
monotreme mammal
mammals
birds
reptiles
amphibians
Fissipeda
Primates
Carnivora
None of these
Whales
Penguins
Bears
None of these
man
gorilla
gibbon
chimpanzee
Dolphins
Oractologus cuniculus
Homosapiens fassilis
Homosapiens sapiens
dogs and cats
monkeys and apes
cows and sheeps
rats and rabbits
Chiroptera
Rodentia
Insectivora
Edentata
plantigrade locomotion
digitigrade locomotion
unguligrade locomotion
terrestrial locomotion
produce ultrasonic sound
produce infrasonic sound
have powerful nocturnal eyes
have powerful wings
bony fishes
whales
sea lions
sea anemones
eutherians
protherians
metatherians
marsupials
Frog
Rabbit
Pigeon
Lizards
Pig
Camel
Cow
Goat
Rodentia
Carnivora
Edentata
Leguminea
deer
whale
donkey
dog
sweat
milk
wax-like material
oily fluid
Artiodactyla
Proboscidea
Sirenia
Perissodactyla
lion, tiger, panther, cat
goat, sheep, bison
horse, zebra, donkey, pony
none of these
mammals with a single nostril
mammals with a single gill slit
mammals with a single cloacal aperture
mammals with a single mouth
Cetacea
Chiroptera
Rodentia
Primata
Proboscida
Ruminants
Perissodactyla
Artiodactyla