SR.NO.	CHARACTERSTICS	PHYLUM – PORIFERA	PHYLUM - COELENTERATA
1.	HABITAT	Aquatic , Sedentary, Marine or fresh	Sedentary, Marine or fresh
2.	SYMMETRY	Asymmetrical  or Radial Symmetry	Radial Symmetry
3.	BODY PLAN	Cell Aggregate body Plan	Blind Sac Body Plan
4.	BODY CAVITY	--------------------------	--------------------------
5.	GERM LAYER	--------------------------	Diploblastic
6.	SKELETON	Needle like spicules (Calcareous)	Nematocyst or Cnidoblast
7.	DIGESTIVE SYSTEM	Choanocytes or Collar Cells	Only one opening (mouth)
8.	NERVOUS SYSTEM	---------------------------------	Nerve Cells
9.	EXCRETORY SYSTEM	Body Surface	Flame Cells
10.	CIRCULATORY SYSTEM	--------------------------------	----------------------------------
11.	RESPIRATION	--------------------------------	----------------------------------
12.	REPRODUCTION	Sexual & Asexual (budding /Gemmule)	Asexual (budding)& Sexual
13.	EXAMPLES	Sponges , Sycon	Hydra , Aurelia

SR.NO.	CHARACTERSTICS	PHYLUM –CTENOPHORA	PHYLUM – PLATYHELMINTHES
1.	HABITAT	Marine	Endoparasite (FLATWORM)
2.	SYMMETRY	Radial Symmetry	Bilaterally Symmetrical
3.	BODY PLAN	Blind Sac Body Plan	Blind Sac Body plan
4.	BODY CAVITY	Acoelomate	Acoelomate
5.	GERM LAYER	Diploblastic	Triploblastic
6.	SKELETON	-----------------------------	----------------------------
7.	DIGESTIVE SYSTEM	-----------------------------	Absent (if present-- incomplete)
8.	NERVOUS SYSTEM	-----------------------------	Nerve Ring & Nerve Cord
9.	EXCRETORY SYSTEM	-----------------------------	Flame Cells or Protonephridia
10.	CIRCULATORY SYSTEM	-----------------------------	----------------------------
11.	RESPIRATION	-----------------------------	----------------------------
12.	REPRODUCTION	Sexual (External fertilization)	Developed ( Hermaphrodite )
13.	EXAMPLES	Ctenoplana	Tapeworm, Liverfluke,Planaria

SR.NO.	CHARACTERSTICS	PHYLUM –ASCHELMINTHES	PHYLUM – ANNELIDA
1.	HABITAT	Parasitic (ROUNDWORM)	Aquatic , Burrowing (free living)
2.	SYMMETRY	Bilaterally Symmetrical	Bilaterally Symmetrical
3.	BODY PLAN	Tube Within Tube body Plan	Tube Within Tube body Plan
4.	BODY CAVITY	Pseudocoelomate	Coelomate
5.	GERM LAYER	Triploblastic	Triploblastic
6.	SKELETON	-----------------------------	----------------------------
7.	DIGESTIVE SYSTEM	Complete with Mouth & Anus	Complete with Mouth & Anus
8.	NERVOUS SYSTEM	Nerve Rings & Nerves	Nerve ring & Ganglionated cord
9.	EXCRETORY SYSTEM	Canals & Protonephridia	Nephridia
10.	CIRCULATORY SYSTEM	-------------------------------	Closed Type
11.	RESPIRATION	-------------------------------	Body Surface
12.	LOCOMOTION	-------------------------------	Setae , Parapodia or Sucker
13.	REPRODUCTION	Sexual Dimorphism (unisexual)	Hermaphrodite & Unisexual
14.	EXAMPLES	Ascaris , Wuchereria	Nereis, Pheretima, Hirudinaria

SR.NO.	CHARACTERSTICS	PHYLUM –ARTHROPODA	PHYLUM – MOLLUSCA
1.	HABITAT	Solitary , colonial , Omnipresent	Free Living, Sedentary (Marine)
2.	SYMMETRY	Bilateral Symmetry	Bilateral Symmetry (some AS)
3.	BODY PLAN	Tube within Tube body Plan	Tube within Tube body Plan
4.	BODY CAVITY	Coelomate	Coelomate
5.	GERM LAYER	Triploblastic	Triploblastic
6.	SKELETON	Chitinous exoskeleton	Calcareous Shell
7.	DIGESTIVE SYSTEM	Foregut , Midgut & Hindgut	Well Developed(Mouth & Anus)
8.	NERVOUS SYSTEM	Nerve ring, double ventral nerve cord	Cerebral ,Pedal, Visceral Ganglia
9.	EXCRETORY SYSTEM	Green Gland or Malphigian Tubules	Kidney (Organ of Bojanus)
10.	CIRCULATORY SYSTEM	Open Type	Open Type Except Sepia
11.	RESPIRATION	Gills ,Trachea, Book lungs, book gills	Gills & Lungs
12.	LOCOMOTION	Wings, Legs	Arms or Foot
13.	REPRODUCTION	Sexual Dimorphism (oviparous)	Sexes Separate (Oviparous)
14.	EXAMPLES	Mosquito , cockroach , crab	Chiton, Pila, Sepia, Octopus

SR.NO.	CHARACTERSTICS	PHYLUM –ECHINODERMATA	PHYLUM – HEMICHORDATA
1.	HABITAT	Free Living,  Sedentary ,Marine	Marine & Bottom of Sea
2.	SYMMETRY	Radial Symmetry	Radial Symmetry
3.	BODY PLAN	Tube within Tube body Plan	Tube within Tube body Plan
4.	BODY CAVITY	Coelomate	Coelomate
5.	GERM LAYER	Triploblastic	Triploblastic
6.	SKELETON	Calcareous spines (Exoskeleton)
7.	DIGESTIVE SYSTEM	Complete (Carnivores)	Complete
8.	NERVOUS SYSTEM	Nerve Ring and Radial Nerves	Nerve  in Dorsal & Ventral side
9.	EXCRETORY SYSTEM	No Specialized Organ
10.	CIRCULATORY SYSTEM	Open type ,Heart Absent	Simple & Closed Type
11.	RESPIRATION	Peristomeal Gills or Pappilae	Paired Gills in two Rows
12.	LOCOMOTION	Water Vascular System	Entire Body
13.	REPRODUCTION	Sexes separate(External Fertilization)	Sex separate(External Fertilization)
14.	EXAMPLES	Sea Urchin ,Sea Lily, Brittle Star	Balanoglossus , Saccoglossus

SR.NO.	CHARACTERSTICS	CLASS- AMPHIBIA	CLASS- REPTILIA
1.	HABITAT	Land & Water	True Terrestrial , Aquatic
2.	NATURE	Carnivores , Poikilothermic	Carnivores , Poikilothermic
3.	BODY	Head ,Trunk , Tail (neck absent )	Head ,Neck, Trunk, Tail
4.	SKIN	Moist , Glandular & Mucous Gland	Dry ,non Glandular & exoskeleton
5.	HEART	3 chambered	Incompletely 4 chambered
6.	SKELETON	Endoskeleton	Epidermal Scales ,Plates or Scutes
7.	DIGESTIVE SYSTEM	Well Developed	Developed
8.	NERVOUS SYSTEM	Well Developed	Brain is Developed
9.	EXCRETORY SYSTEM	Kidney	Kidney
10.	CIRCULATORY SYSTEM	Closed Type	Closed Type
11.	RESPIRATION	Skin , Lungs ,Buccopharynx	Lungs
12.	LOCOMOTION	Limbs (pectoral and pelvic)	Limbs (pectoral and pelvic)
13.	REPRODUCTION	Oviparous & Fertilization External	Oviparous & Fertilization Internal
14.	EXAMPLES	Frog , Toad ,Salamander	Cobra ,Crocodile  Turtle

SR.NO.	CHARACTERSTICS	CLASS- AVES	CLASS- MAMMALIA
1.	HABITAT	Aerial	Terrestrial ,Aerial, Aquatic
2.	NATURE	Warm Blooded (Homeotherms)	Mammary Gland
3.	BODY	Head ,Neck, Trunk & Tail	Head ,Neck, Trunk & Tail
4.	SKIN	Thin ,Dry, Non-Glandular	Glandular, Sweat & Sebaceous
5.	HEART	4 Chambered	4 Chambered
6.	SKELETON	Pneumatic Bones, Exo & Endo	Endoskeleton & Exoskeleton
7.	DIGESTIVE SYSTEM	Well Developed	Well Developed
8.	NERVOUS SYSTEM	Brain has Cerebellum	Brain & Spinal Cord
9.	EXCRETORY SYSTEM	No Urinary Bladder	Nephron
10.	CIRCULATORY SYSTEM	Closed Type (Double)	Closed Type (Double)
11.	RESPIRATION	Lungs	Alveoli (Lungs)
12.	LOCOMOTION	Forelimb modified in wings	Legs
13.	REPRODUCTION	Sexes separate & Oviparous	Sexes separate & Viviparous
14.	EXAMPLES	Ostrich ,Kiwi, Parrot ,Pigeon	Human ,Bat ,Camel, Whale

SR.NO.	CHARACTERSTICS	CLASS- CHONDRICHTHYES	CLASS- OSTEICHYTHES
1.	HABITAT	Exclusively Marine(Cold Blooded)	Aquatic , Marine & Fresh
2.	FINS	Two Dorsal Fin	Single dorsal fin
3.	TAIL	Unequal Lobe- Heterocercal	Equal Lobe- Homocercal
4.	SKIN	Covered by Scales	Covered by Cycloid or Ctenoid
5.	HEART	2 Chambered	2 Chambered
6.	SKELETON	Cartilaginous Endoskeleton	Bony Endoskeleton
7.	DIGESTIVE SYSTEM	Mouth ventral in Position	Mouth is terminal in position
8.	NERVOUS SYSTEM	Well Developed (Olfactory)	Well Developed (Olfactory)
9.	EXCRETORY SYSTEM	Well Developed	Well Developed
10.	CIRCULATORY SYSTEM	Single closed Type	Single closed Type
11.	RESPIRATION	5-7 pairs of gill Slits (No Operculum)	4 pairs of gill Slits (Operculum)
12.	LOCOMOTION	Fins	Fins , Caudal for steering
13.	REPRODUCTION	Fertilization internal-Viviparous	Fertilization external – Oviparous
14.	EXAMPLES	Scoliodon ,Electric Ray, Shark	Pomphret ,Labeo , Catla