- Porifera
- Cnidaria
- Platyhelminthes
- Mollusca
Category: Biology etea medical mcqs
- Nematoda
- Annelida
- Trematoda (for flukes) and Cestoda (for tapeworms)
- Gastropoda
- Jellyfish
- Sponge
- Flatworm
- Earthworm
- Hair/fur
- Mammary glands
- Viviparity
- Poikilothermy (cold-blooded)
- Reptiles
- Amphibians
- Birds
- Mammals
- Cold environments
- Aquatic life
- High metabolic rate for flight
- Burrowing
- Furcula (wishbone)
- Keel
- Pygostyle
- Sternum
- Lizards
- Snakes
- Crocodilians
- Turtles and tortoises
- Anura
- Caudata
- Gymnophiona
- Testudines
- Endoderm
- Mesoderm
- Ectoderm
- Both ectoderm and mesoderm
- Exoskeleton
- Notochord replaced by vertebral column
- Radial symmetry
- Absence of circulatory system
- Respiration
- Digestion
- Detecting water movements and vibrations
- Reproduction
- Metamorphosis
- Regeneration
- Molting (Ecdysis)
- Hibernation
- A complete digestive system
- Flame cells
- Cnidocytes
- A true coelom
- Cnidaria
- Platyhelminthes
- Porifera
- Nematoda
- Tissue level
- Organ level
- Cellular level
- Organ system level
- Earthworm
- Starfish
- Flatworm
- Roundworm
- Laying eggs
- Giving birth to underdeveloped young that complete development in a pouch
- Fully developed live birth
- Absence of mammary glands
