Reptilia
Squamata
Chelonia
None of these
C. Chelonia
primitive burrowing egg laying mammal
advanced egg laying reptile
primitive egg laying reptile
primitive aquatic egg laying animal
echinodermata
ophiuroidea
crinoidea
echinoidea
insects
shrimps
echinoderms
molluscs
Lamprey-Agnatha
Shark-Chond rich thyes
Turtle-Amphibia
Lizard-Reptilia
Acoelomate animals
Pseudocoelomate animals
Animals with enterocoel
Animals with schizocoel
Saw fish
Silver fish
Dogfish
Pipefish
sexually reproducing species
asexually reproducing species
self-fertilising species
none of these
insects
crustaceans
annelids
arachnids
intestinal parasites
earthworms
roundworms
tapeworms
Hyalonema
Euplectalla
Tethya
Leucosolenia
reptile and bird
reptile and mammals
fish and amphibia
reptile and amphibia
solid ventral nerve cord
dorsal tubular nerve cord
paired nerve cords
ganglionated nerve cord
Porifera
Coelentrata
Annelida
Platyhelminthes
Passer domesticus
Pavo cristatus
Psittacula krameri
None of these
Mammary glands, hairs, gill slits
Notochord, gill slits and dorsal ! tubular nervous system
Notochord, scales and dorsal tubular nervous system
Gill slits, vertebral column and notochoitl
annelida
peripatus
insects
acolopendra
Chordata
Mollusca
Coelentrata
Porifera
pinnae
four-chambered heart
movement on two limbs only
diaphragm
parasitic flatworms
free living flatworms
parasitic tapeworms
free living tapeworms
four-chambered heart
shelled eggs
thecodont dentition
powerful jaws
compound eyes
joint legs
book lungs
green glands
Monera, Protista, Metaphyta, Meta-zoa and Parazoa
Monera, Protista, Fungi, Plantae and Animalia
Mpnera, Prokaryotes, Fungi, Plantae and Animalia
Prokaryotes, Eukaryotes, Fungi, Plantae and Animalia
John Ray
Charles Darwin
Carolus Linnaeus
Robert Gunther
Ophiosaurs
Heloderma
Varanus
None of these
Siren
Ophiosaurus
Triturus
Ichthyophis
Frog
Lizard
Pigeon
Whale
Mammalia
Carnivora
Canidae
Catiisfamilaris
tortoise
turtles
sea hares
none of these
Cephalochordata
Agnatha
Urochordata
Gnathostomata
one scientific and one popular
given by two taxonomists
one generic and one specific epithet
international identifying catalogue