morphology
physiology
taxonomy
embryology
D. embryology
occurrence of homologous and vestigeal organs
occurrence of analogous and vestigial organs
occurrence of homologous and analogous organs
occurrence of analogous oragans only
batesian mimicry
mullerian mimicry
warning colouration
concealing colouration
after the extinction of dinosaurs
before the origin of dinosaurs
along with dinosaurs
from the dinosaurs
they show adaptive variations to their environment
they share the common karyotype
they can freely interbreed and share a common gene pool
their features are different yet they are similar essentially
Oriental region
Ethiopian region
Australian region
Palaearctic region
Paleozoic
Mesozoic
Cenozic
Proterzoic
origin of life
evolution
mutations
embryology
1859
1885
1883
1897
a petrified specimen
a mineralised specimen
a mould
embedded in amber
adaptive radiation
adaptive convergence
use and disuse of organs
none of these
differentiation of species
maintenance of species
evolutionary divergence
extermination of species
Lamarckism
Theory of natural selection
Bird flight mechanisms
Both and
homologous
analagous
ativistic
vestigeal
Mesozoic era
Coenozoic era
Palaeozoic era
None of these
cartilage and bone
proteins
inorganic materials
keratin materials
Mutation
Environmental factors
Lama's theory
Chromosomal aberrations
Java man
Neanderthal man
Peking man
Cromagnon man
laboratory preserved animal
dead animal of the past
organic relic of the past
stuffed animal
Java Ape and Peking man
Peking man and Rhodesian man
Cromagnon man and Rhodesian man
Cromagnon man and Neanderthal man
by comparing it to living similar forms
by radioactive dating
by rate of erosion of the strata
from the depth of strata at which it is found
Pisces
Birds
Ruling mammals
Ruling reptiles
2n = 44
2n = 46
2n = 48
none of these
animals are destroyed by environment
animals are destroyed by scavangers
animals are burried by natural " processes
organisms are burried and preserved by natural processes
Darwin
Herbert Spencer
Mai thus
Lovell
Nose
Scales
Teeth
Hindlimbs
Peripatus
Palaemon
Limulus
Heteronereis
increase in the size of eyes
increase in the size of brain
straightening of back
change in dentition from browsing to grazing
Australopithecus
Homo erectus
Sinanthropus
Ginganlo pithecus
protein folding
transcriptional control
nonsense mutation
none of these
Oxygen
Hydrogen
Methane
Ammonia