notochord extends upto head
foot is located on head
head is located on foot
head is fused with thorax
B. foot is located on head
annelida
peripatus
insects
acolopendra
Mollusca
Echinodermata
Hemichordata
Urochordata
aschelminthes
annelida
arthropoda
echinodermata
dinosaur
duck
fossil bird
monotreme mammal
porifera
mollusca
annalida
platyhelminthes
Liver fluke, tapeworm, roundworm, guinea worm
Oyster, ship-worm, octopus, cuttle fish
Prawn, neries, crab, millipede
Sea urchin, sea fan, sea lily, sea pen
size
locomotary organelles
shape
number of nuclei
Amphioxus and Balangolossus
Petromyzon and Myxine
Herdmania and Myxine
Herdmania and Amphioxus
moles, shrews and hedgehogs
monkeys, apes and man
whales and dolphins
kangaroo, lions and wolves
Hydra
Earthworm
Centipede
Cockroach
Annelida
Platyhelminthes
Echinodermata
Mollusca
insecta
oligochaeta
arachnida
crustace
Arthropoda
Platyhelminthes
Chordata
Protozoa
coral snake
brain coral
tree snake
none of these
Fishes and Echinodermata
Coelentrata and Echinodermata
Porifera and Coelentrata
Echinodermata and Protochordata
fishes with a sinlge gill aperture
insects with a single pair of functional spiracles
mammals with a single common cloacal opening
protozoans with single flagellum
name of a taxonomy journal
name of a branch of taxonomy
a rank of classification as phylum, class, order, species
group of similarly constituted species
Cetacea
Chiroptera
lnsectivora
Lagomorpha
Sea anemone
Planarian
Pheretima
Starfish
Protozoans
Arthropods
Echinodermata
Molluscs
long incisors
short incisors
long canines
long molars
idae as a suffix to the name of the type genus
inae as a suffix
ceae as a suffix
oidea as a suffix
Frog
Lizard
Pigeon
Whale
flying fish
silver fish
crayfish
cuttlefish
marine fishes
fresh water fishes
lung fishes
none of these
Fish
Rat
Frog
Lizard
mollusca
cephalopoda
anneilida
arthropoda
Lizard
Frog
Rabbit
Cuttlefish
Archaeopteryx is a connecting link between mammals and aves
Duck-bill platypus is a connecting link between reptiles and mammals
Sea horse is a connecting link between fish and horse
Hydra is a connecting link between protozoa and metazoa
Pisces
Amphibia
Reptile
Mammals