monocondylic
dicondylic
amphicondylie
none of these
A. monocondylic
Ostrich
Penguin
Emu
Albatros
Ostrich
Emu
Archaeopteryx
Pelican
ectoderm
mesoderm
endoderm
skin
New Zealand
India
Japan
Australia
middle of the trachea
at the base of trachea where it divides into bronchi
base of tongue
none of these
bill
pecten
keel
filoplume
Crow
Koel
Peacock
Ostrich
Charles Darwin
Lamarck
Hippocrates
A. Muller
mammals
reptiles
aves
lizards
Parrot
Owl
Pigeon
Sunbird
perching type
wading type
raptorial type
running type
grain-eating birds
meat-eating birds
fruit-eating birds
insect-eating birds
two occipital condyles
one occipital condyle
many occipital condyles
any of these
Tail only
Wings only
both and
beneath the contour feathers.
csursorial
perching
wading
raptorial
homiothermic condition and viviparity
horny jaws and four-chambered heart
ossified skeleton and four-chambered heart
bipedal locomotion and body covered with feathers
monocondylic
dicondylic
amphicondylie
none of these
peacock
emu
penguin
ostrich
a flightless bird
first digit of hindlimb
a type of corn
none of these
Pectoralis major
Pectoralis minor
Intrinsic muscle
None of these
amphi-coelous
hetero-coelous
gastro-coelous
platy-coelous
Pavo cristatus
Gallus gallus
Columbia livia
None of these
Kiwi
Ostrich
Penguin
All of these
larynx
syrinx
synsacrum
pygostyle
calcareous
soft and solid
strong and solid
pneumatic
ostrich
albatros
penguin
elephant bird
sharp massive, deeply hooked
stout and acute
chisel sfiaped
long, strong and pointed
Bernhard Katz
Alick Isacs
Charles Darwin
Andreas Wagner
faecal matter
nitrogenous wastes
excess salt
both and
Albatros
Hummingbird
Elephant bird
Penguin