Animal kingdom

1. Feature Porifera Coelenterata Ctenophera Plathy-
helminthes
Aschele-
minthes
Annelida Arthropoda Mollusca Echinodermata
Commonly
k/s
Pore
bearing
animals
Animals
with
nemacyst
cell
Comb jellies Flat worms Round
worm
Segmented
Worm
Jointed
appendages
Soft bodied
animals
Spiny-
skimmed
Habitat Mostly
marine
(except
spongilla)
Mostly
marine
(Accept
Hydra)
Exclusively
Marine
Mostly
endo-
parasitic
Aquatic/
Terrestrial/
Free living
Aquatic/
terrestrial/
Free living/
Parasitic
Aquatic/
Terrestrial
Exclusively
marine
Level of
organisation
Cellular Tissue level Tissue level Organ level Organ
system
Organ system Symbiotic Organ
system
Organ system
Germ layer Diploblastic Diploblastic Diploblastic Triploblastic Triploblastic Triploblastic Triploblastic Triploblastic Triploblastic
Body
symmetry
Assymetrical Radial Radial Bilateral Bilateral Bilateral Bilateral Bilateral Larva-Bilateral
Adult-Radial
Coelom Acoelomate Acoelomate Acoelomate Acoelomate Pseudo-
coelomate
Coelomate Coelomate Coelomate Coelomate
Segmentation Absent Absent Absent Absent Absent Metameric
segmentation
External
segmentation
Absent Absent
Digestive
system
Digestive
system
absent
Incomplete Incomplete Incomplete Complete
with
muscular
pharynx
Complete Complete Complete Complete
Digestion Intracellular Intracellular
as well as
extracellular
Intracellular
as well as
extracellular
Absorb
from the
host
Mouth-Lower
Anus-
Upperside