species
taxon
taxis
genus
B. taxon
annelide
fish
mollusc
arthropod
solid ventral nerve cord
dorsal tubular nerve cord
paired nerve cords
ganglionated nerve cord
species
taxon
taxis
genus
Taenia
Peripatus
Ascaris
Musca
Flame cellsplatyhelminthes
Stinging cellscoelenterata
Metameric segmentationmollusca
Gill slitschordata
leech
cockroach
housefly
butterfly
Sponge
Jelly fish
Tapeworm
Roundworm
sexually reproducing species
asexually reproducing species
self-fertilising species
none of these
insects
shrimps
echinoderms
molluscs
porifer
protozoan
coelentrate
nematode
true snake
blind worm
false snake
true worm
Hydra, jelly fish, cray fish
Bat, pigeon, whale
Spider, scorpion, centipede
Whale, otter, kangaroo
fish
mammal
bird
none of these
Gills
Spiracles
Post anal tail
Chitious skeleton
size
locomotary organelles
shape
number of nuclei
Protozoans
Arthropods
Echinodermata
Molluscs
Insecta
Myriapoda
Arachnida
Onychophora
morphology
Phylogeny
both (a) and (b)
ontogeny
Starfish
Dogfish
Silver fish
Goldfish
Chordata
Mollusca
Coelentrata
Porifera
Lamprey-Agnatha
Shark-Chond rich thyes
Turtle-Amphibia
Lizard-Reptilia
Mammalia
Carnivora
Canidae
Catiisfamilaris
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
mollusca
bivalvia
scaphopoda
gastropoda
histolytica and proteus
histolytica and coli
histolytica and falciparum
histolytica and rocktertil
all types of single celled eukaryotic organisms
all types of single celled plants, animals as well as bacteria
all types of bacteria and blue green algae
all types of sinlge celled eukaryotes and prokaryotes
Carolus Linnaeus
Charles Darwin
Lamarck
Wallace
an annelid
a true worm
a type of earthworm
an insect
hairy skin and ovipary
hairy skin and mammary glands
mammary glands and teeth
pinnae and teeth
Ophiosaurs
Heloderma
Varanus
None of these