synsacrum
sternum
pygostyle
thoracic mass
Albatros
Hummingbird
Elephant bird
Penguin
fly for long distance
protect against ectoparasites
exhibit secondary sexual dimorphism
keep the body warm
Pectoralis major
Pectoralis minor
Intrinsic muscle
None of these
Charles Darwin
Lamarck
Hippocrates
A. Muller
mammals
reptiles
aves
lizards
parrot
peacock
kiwi
pigeon
amphi-coelous
hetero-coelous
gastro-coelous
platy-coelous
aerial life
amphibious life
terrestrial life
aquatic life
Kiwi
Ostrich
Penguin
All of these
swan
falcon
penguin
eagle
sharp massive, deeply hooked
stout and acute
chisel sfiaped
long, strong and pointed
Ostrich
Emu
Archaeopteryx
Pelican
bill
pecten
keel
filoplume
calcareous
soft and solid
strong and solid
pneumatic
crow, sun-bird, flower pecker
myna, peacock, parrot
weaver bird, sun-bird, flower pecker
all of these
heterocoelous
acoelous
opisthocoelous
amphicoelous
ectoderm
mesoderm
endoderm
skin
homiothermic condition and viviparity
horny jaws and four-chambered heart
ossified skeleton and four-chambered heart
bipedal locomotion and body covered with feathers
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
middle of the trachea
at the base of trachea where it divides into bronchi
base of tongue
none of these
Ostrich
Penguin
Emu
Albatros
instinct
instinct and intuition
instinct and intelligence
both and
a flightless bird
first digit of hindlimb
a type of corn
none of these
Parrot
Owl
Pigeon
Sunbird
Dr. Salim Ali
Dr.MS.Mani
Dr.J.C.Bose
Dr. Jogendra
Bernhard Katz
Alick Isacs
Charles Darwin
Andreas Wagner
finch
humming bird
weaver bird
shrew
Tail only
Wings only
both and
beneath the contour feathers.
monocondylic
dicondylic
amphicondylie
none of these