insecta
oligochaeta
arachnida
crustace
A. insecta
spider has three pairs of legs
insect has four pairs of legs
spider has four paris of legs
none of these
They are flying animals
They are warm blooded
They are bipedal and have feathers
They are quadruped and have scales
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
long incisors
short incisors
long canines
long molars
lizard
tree snake
nematode
fish
Carolus Linnaeus
Charles Darwin
Lamarck
Wallace
hairy skin and ovipary
hairy skin and mammary glands
mammary glands and teeth
pinnae and teeth
protostomes
deuterostomes
cyclostomes
blastostomes
Sea anemone
Planarian
Pheretima
Starfish
number of nuclei
shape of the organisms
method of reproduction
locomotary device
2 pairs of legs
3 pairs of legs
4 pairs of legs
5 pairs of legs
tortoise
turtles
sea hares
none of these
Starfish
Dogfish
Silver fish
Goldfish
crayfish
frog
grasshopper
starfish
Ascaris, Hydra, Earthworm
Leech, Hydra, Tapeworm
Hydra, Man, Leech
Tapeworm, Toad, Starfish
India
Australia
Africa
South America
John Ray
Charles Darwin
Carolus Linnaeus
Robert Gunther
Insect has 6 pairs of legs and one pair of wings while spider has 4 pairs of legs and no wings
Insect has 4 pair of legs and two pairs of wings while spider has 3 pairs of legs and no wings
Insect has 3 pairs of legs and two pairs of wings and spider has 4 pairs of legs and no wings
Insect has 3 pairs of legs and generally no wings while spider has 5 pairs of legs and generally one pair of wings
primitive burrowing egg laying mammal
advanced egg laying reptile
primitive egg laying reptile
primitive aquatic egg laying animal
parasitic flatworms
free living flatworms
parasitic tapeworms
free living tapeworms
Annelida
Mollusca
Echinodermata
Arthropoda
John Ray
Carolus Linnaeus
G.L. Cuvier
All of these
teleostei
mollusca
pisces
echinodermata
Ophiosaurs
Heloderma
Varanus
None of these
homologous structures
analogous structures
both (a) and (b
integumentary derivatives
Flame CellsPlatyhelminthes
Metametric segmentationMollusca
Gill-slitChordata
Stininging cellsCoelenterata
Ant eater
Dolfin
Heloderma
Echidna
Cephalochordata
Agnatha
Urochordata
Gnathostomata
compound eyes
joint legs
book lungs
green glands
limbless amphibian
limbless snake
limbless lizard
limbless fish