three toes
four toes
five toes
any of these
B. four toes
Charles Darwin
Lamarck
Hippocrates
A. Muller
Tail only
Wings only
both and
beneath the contour feathers.
three toes
four toes
five toes
any of these
ectoderm
mesoderm
endoderm
skin
Asia
Africa
America
Antarctica
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
Crow
Koel
Peacock
Ostrich
parrot
peacock
kiwi
pigeon
Bernhard Katz
Alick Isacs
Charles Darwin
Andreas Wagner
calcareous
soft and solid
strong and solid
pneumatic
sharp massive, deeply hooked
stout and acute
chisel sfiaped
long, strong and pointed
ostrich
albatros
penguin
elephant bird
Serpentology
Entomology
Ornithology
Dendrology
Dr. Salim Ali
Dr.MS.Mani
Dr.J.C.Bose
Dr. Jogendra
sharp eyesight
keen smelling power
both and
sharp eyesight and poor smelling power
Pectoralis major
Pectoralis minor
Intrinsic muscle
None of these
csursorial
perching
wading
raptorial
mammals
reptiles
aves
lizards
heterocoelous
acoelous
opisthocoelous
amphicoelous
amphi-coelous
hetero-coelous
gastro-coelous
platy-coelous
homiothermic condition and viviparity
horny jaws and four-chambered heart
ossified skeleton and four-chambered heart
bipedal locomotion and body covered with feathers
perching type
wading type
raptorial type
running type
peacock
emu
penguin
ostrich
synsacrum
sternum
pygostyle
thoracic mass
middle of the trachea
at the base of trachea where it divides into bronchi
base of tongue
none of these
aerial life
amphibious life
terrestrial life
aquatic life
larynx
syrinx
synsacrum
pygostyle
day light effecting the endocrine glands
search for food
search for shelter
purpose of breeding
fly for long distance
protect against ectoparasites
exhibit secondary sexual dimorphism
keep the body warm
swan
falcon
penguin
eagle