all prokaryotes
bacterai, blue green algae and sinlge celled eukaryotes
bacteria, blue green algae and single celled eukaryotic animals
single celled eukaryotes and prokaryotes
A. all prokaryotes
Cetacea
Chiroptera
lnsectivora
Lagomorpha
compound eyes
joint legs
book lungs
green glands
Scorpion, Spider
Scorpion, Obelia, Hydra
Star fish, Obelia, Hydra
Cockroach, Earthworm, Taenia solium
porifer
protozoan
coelentrate
nematode
Geographical isolation
Reproductive isolation
Behavioural isolation
Hybrid in viability
frog
tortoise
salamander
toad
all prokaryotes
bacterai, blue green algae and sinlge celled eukaryotes
bacteria, blue green algae and single celled eukaryotic animals
single celled eukaryotes and prokaryotes
Hydra
Earthworm
Centipede
Cockroach
Amoeba
Hydra
Earthworm
Cockroach
Liver fluke, tapeworm, roundworm
Sea urchin, sea fan, sea cucumber
Leucosolenia, Sycon, Euspongia
Plasmodium, Hydra, Planaria
Arthropoda
Platyhelminthes
Chordata
Protozoa
Passer domesticus
Pavo cristatus
Psittacula krameri
None of these
Frog
Toad
Salamander
Tortoise
natural relationships, reflecting evolutionary relationship
morphological similarities between organisms
embryologicall, biochemical, phisio-loical and ecological considerations
both (b) and (c)
Frog
Cockroach
Hydra
Earthworm
Coelenterata
Porifera
Annelida
Arthropoda
India
Australia
Africa
South America
John Ray
Carolus Linnaeus
G.L. Cuvier
All of these
Fish
Rat
Frog
Lizard
Entamoeba
Paramecium
Euglena
Monocystis
termites
beetles
mosquitoes
grasshoppers
Mollusca
Echinodermata
Hemichordata
Urochordata
an arthropod
a mollusc
an insect
an echinoderm
aschelminthes
annelida
arthropoda
echinodermata
Cestoda
Trematoda
Sporozoa
Suctoria
Pisces, Amphibia, Reptilia, Mammalia
Pisces, Reptilia, Amphibia, Mammalia
Amphibia, Pisces, Reptilia, Mammalia
Amphibia, Reptilia, Pisces, Mammalia
true snake
blind worm
false snake
true worm
insects
shrimps
echinoderms
molluscs
hag fish
eel
flyingfish
seahorse
four-chambered heart
shelled eggs
thecodont dentition
powerful jaws