Kiwi
Ostrich
Penguin
All of these
D. All of these
Pectoralis major
Pectoralis minor
Intrinsic muscle
None of these
monocondylic
dicondylic
amphicondylie
none of these
amphi-coelous
hetero-coelous
gastro-coelous
platy-coelous
aerial life
amphibious life
terrestrial life
aquatic life
crow, sun-bird, flower pecker
myna, peacock, parrot
weaver bird, sun-bird, flower pecker
all of these
day light effecting the endocrine glands
search for food
search for shelter
purpose of breeding
Kiwi
Ostrich
Penguin
All of these
fly for long distance
protect against ectoparasites
exhibit secondary sexual dimorphism
keep the body warm
sharp eyesight
keen smelling power
both and
sharp eyesight and poor smelling power
calcareous
soft and solid
strong and solid
pneumatic
Asia
Africa
America
Antarctica
instinct
instinct and intuition
instinct and intelligence
both and
sharp massive, deeply hooked
stout and acute
chisel sfiaped
long, strong and pointed
perching type
wading type
raptorial type
running type
finch
humming bird
weaver bird
shrew
synsacrum
sternum
pygostyle
thoracic mass
Pavo cristatus
Gallus gallus
Columbia livia
None of these
larynx
syrinx
synsacrum
pygostyle
Crow
Koel
Peacock
Ostrich
Heart is four-chambered consisting of the auricles and two ventricles
Hind-limbs are modified as wings
Mouth is replaced by beak
Aves are warm blooded
bill
pecten
keel
filoplume
two occipital condyles
one occipital condyle
many occipital condyles
any of these
Charles Darwin
Lamarck
Hippocrates
A. Muller
a flightless bird
first digit of hindlimb
a type of corn
none of these
csursorial
perching
wading
raptorial
a type of air sacs related to ventilation
a fork shaped structure fused and formed by clavicles
a strucutre present in trachea for producing sound
none of these
homiothermic condition and viviparity
horny jaws and four-chambered heart
ossified skeleton and four-chambered heart
bipedal locomotion and body covered with feathers
Quill
Filoplume
Down feather
All of these
swan
falcon
penguin
eagle
syrinx
larynx
synsacrum
synzygy