PORIFERA Flashcards
HOW ARE PORIFERA DIFFERENT FROM ALL OTHER ANIMALS
THEY LACK TRUE TISSUES
WHAT SYMMETRY DO PORIFERA EXHIBIT
ASYMMETRY
NAME THE TWO FUNCTIONS OF CHONANOCYTES
GENERATE WATER CURRENT
TRAP FOOD
FORM SPERM
WHAT DO AMEBOCYTES DO
SECRETE SPICULES, ABSORBING FOOD BROUGHT IN BY CHOANOCYTES
FORM EGGS
STRUCTURAL FORS OF PORIFERA
ASCONIOD
SYCONOID
LEUCONOID
WHAT IS THE FEEDING TYPE OF PORIFERA
FILTER FEEDER
WHAT DOES PORIFERA MEAN
PORE BEARER
PORIFERA KEY CHARACTERISTICS
SESSILE
LACK NO TRUE TISSUES
NO NERVES OR MUSCLES
ASYMMETRICAL
GROWTH PATTERNS DEPEND ON?
SHAPE OF SUBSTRATUM
DIRECTION AND SPEED OF WATER CURRENTS
SPACE AVAILABLE
WHAT IS THE GELATINOUS REGION CALLED INBETWEEN TWO CELL LAYERS
MESOHYL
REPRODUCTION
MOST SPONGES ARE HERMAPHRODITES
SPERM CARRIED OUT BY CURRENT LANDING ON OTHER SPONGES
ZYGOTES DEVELPOP FLANGELATED FREE SWIMMING LARVAE THAT CAN DISPERSE
PORIFERA ECOSYSTEM ROLE
GOOD FILTERERS
SYMBIOTES
NUTRIENT CYCLING
