Hydra, jelly fish, cray fish
Bat, pigeon, whale
Spider, scorpion, centipede
Whale, otter, kangaroo
Insecta
Arachnida
Crustacea
Polychaeta
four-chambered heart
shelled eggs
thecodont dentition
powerful jaws
homologous structures
analogous structures
both (a) and (b
integumentary derivatives
fungia
meandria
astia
none of these
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
insects
birds
fishes
reptiles
Carolus Linnaeus
Charles Darwin
Lamarck
Wallace
Pisces, Amphibia, Reptilia, Mammalia
Pisces, Reptilia, Amphibia, Mammalia
Amphibia, Pisces, Reptilia, Mammalia
Amphibia, Reptilia, Pisces, Mammalia
Liver fluke, tapeworm, roundworm, guinea worm
Oyster, ship-worm, octopus, cuttle fish
Prawn, neries, crab, millipede
Sea urchin, sea fan, sea lily, sea pen
aschelminthes
annelida
arthropoda
echinodermata
Lamprey-Agnatha
Shark-Chond rich thyes
Turtle-Amphibia
Lizard-Reptilia
insecta
oligochaeta
arachnida
crustace
morphology
Phylogeny
both (a) and (b)
ontogeny
Liver fluke, tapeworm, roundworm
Sea urchin, sea fan, sea cucumber
Leucosolenia, Sycon, Euspongia
Plasmodium, Hydra, Planaria
John Ray
Carolus Linnaeus
G.L. Cuvier
All of these
reptile and bird
reptile and mammals
fish and amphibia
reptile and amphibia
shark
mud puppy
bony fish
fish
python
chameleon
turtle
crocodile
Shipworm
Glowworm
Earthworm
Tapeworm
Limax
Pila
Sepia
Murex
Frog
Toad
Salamander
Tortoise
Frog
Lizard
Pigeon
Whale
protozoal
porifera
coelenterata
annelid a
number of nuclei
shape of the organisms
method of reproduction
locomotary device
Giraffe
Crocodile
Shark
Ostrich
gross structures of the body
physiological mechanisms
biochemical similarities
all of these
Neries, Planum, Roundworm, Earthworm
Millipede, Crab, Centipede, Cockroach
Star fish, Jelly fish, Cuttle fish, Octopus
Leech, Locust, Sea urchin, Lobster
Echinodermata
Annelida
Chordata
Aschelminthes
Protozoa
Parazoa
Annelida
Arthropoda