Passer domesticus
Pavo cristatus
Psittacula krameri
None of these
B. Pavo cristatus
long incisors
long canines
short canines
short incisors
Liver fluke, tapeworm, roundworm
Sea urchin, sea fan, sea cucumber
Leucosolenia, Sycon, Euspongia
Plasmodium, Hydra, Planaria
limbless amphibian
limbless snake
limbless lizard
limbless fish
primitive burrowing egg laying mammal
advanced egg laying reptile
primitive egg laying reptile
primitive aquatic egg laying animal
chitinous exoskeleton, external segmentation and paired appendages
chitinous exoskeleton, external segmentation and paired jointed appendages
chitinous exoskeleton and paired antennae
chitinous exoskeleton, antennae and compound eyes
annelida
peripatus
insects
acolopendra
Mammalia
Carnivora
Canidae
Catiisfamilaris
an artificial system of classification
a natural system of classification
a system based on phylogeny
none of these
flat worms
roundworms
tapeworms
blind worms
John Ray
Carolus Linnaeus
G.L. Cuvier
All of these
Silver fish
Goldfish
Silver carp
Seahorse
John Ray
Charles Darwin
Carolus Linnaeus
Robert Gunther
India
Australia
Africa
South America
Scorpion, Spider
Scorpion, Obelia, Hydra
Star fish, Obelia, Hydra
Cockroach, Earthworm, Taenia solium
Starfish
Dogfish
Silver fish
Goldfish
Porifera
Coelentrata
Annelida
Platyhelminthes
insects
birds
fishes
reptiles
an annelid
a true worm
a type of earthworm
an insect
Acoelomate animals
Pseudocoelomate animals
Animals with enterocoel
Animals with schizocoel
porifera
coelentrata
annelida
mollusca
termites
beetles
mosquitoes
grasshoppers
Cydostomata
Fishes
Reptiles
Mammals
Earthworm
Hydra
Ascaris
Scolopendra
crayfish
frog
grasshopper
starfish
plants
animals
microorganisms
living organisms
fungia
meandria
astia
none of these
Hydra
Earthworm
Cockroach
Centipede
Scales
Eggs
Shelled eggs
Gills
arthropoda
pisces
mammalia
reptilia
Amphioxus and Balangolossus
Petromyzon and Myxine
Herdmania and Myxine
Herdmania and Amphioxus