HEY THERE KIDS! I’M SPONGE BOB SQUARE PANTS. LET’S LOOK AT SOME SPONGES! WIDE VIEW OF SPONGES sponges RMFLA PURPLE TUBE SPONGES RMCUR BARREL SPONGE BASIC CHARACTERISTICS • PORIFERA MEANS – “PORE BEARING” • SIMPLEST ANIMALS – NO SYMMETRY • NO TISSUES, NO ORGANS • NO OUTWARD MOVEMENT AS ADULTS • PERMANENTLY ATTACHED TO BOTTOM (PLANT LIKE) • FILTER FEEDERS – COLLECT PLANKTON, ALGAE, BACTERIA, DETRITUS TUBE SPONGE ON WALL Dan RMCUR YELLOW TUBE SPONGE RMJA PURPLE VASE SPONGE BASIC BODY FORM/ORGANIZATION 1. 0SCULUM – LARGE EXCURRENT PORE 1 2 3 2. OSTIA -SMALL INCURRENT PORES 33. INNER CHAMBER -COLLAR CELLS LINE CHAMBER, ABSORB O2 & NUTRIENTS PURPLE TUBE SPONGE Osculum RMBON ENCRUSTING SPONGE Ostia RMJA HOME SWEET HOME RMJA BARREL SPONGE RMCUR BARREL SPONGE RMCUR ORGANIZATION OF SPONGES SUPPORT STRUCTURES CALLED SPICULES SPICULES ARE SPLINTER LIKE STRUCTURES SPICULES ARE MADE OF CALCIUM CARBONATE OR SILICON DIOXIDE SPICULES ARE UNIQUE IN EACH SPECIES SPONGE WITH SPICULES RMJA FLAME SPONGE RMJA BROWN FINGER SPONGE RMCUR COLLAR CELLS 1 1. FLAGELLA - CREATE WATER CURRENTS 2. COLLAR - TRAP FOOD PARTICLES 2 3 3. CELL BODY - ENGULFS & DIGESTS FOOD COLLAR CELLS LINE CHAMBERS WATER ENTERS OSTIA ON SIDES & EXITS THROUGH OSCULUM AT TOP HOW SPONGES FEED WATER IS DRAWN INTO THE SPONGE BY THE FLAGELLA. WATER IN WATER IN WATER OUT COLLARS TRAP FOOD CELL BODIES ABSORB FOOD & O2 WASTE WATER LEAVES THROUGH THE OSCULUM GREEN FINGER SPONGE RMJA LOGGERHEAD SPONGE RMJA “BLUE” SPONGE RMJA “ORANGE” SPONGE RMBON PURPLE TUBE SPONGE RMJA SMOOTH TUBE SPONGE RMJA FIRE SPONGE CALCAREOUS SPONGES VERY SMALL SPONGES OUT SPICULES MADE OF CALCIUM CARBONATE SPICULES ARE SEPARATE & UNSUPPORTIVE SILICA SPONGES LARGE SPONGES OUT “GLASS” SPONGES OUT SPICULES MADE OF SILICON DIOXIDE SPICULES FUSED & OFFER SUPPORT ELASTIC SPONGES “BATH” SPONGES OUT NO SPICULES ELASTIC FIBERS CALLED SPONGIN OFFER SUPPORT OFTEN CLEANED & DRIED FOR COMMERCIAL USES DEAD MAN’S FINGERS GUN POWDER SPONGE RED BEARD SPONGE BREAD CRUMB SPONGE RMNY BREAD CRUMB SPONGE VELVETY RED ENCRSUTING SPONGE ORANGE ENCRUSTING SPONGE RMJA CRAZY SPONGE FACTS SPONGES REPRODUCE ASEXAULLY BY BREAKING OF BRANCHES OR BUDS SPONGES REPRODUCE SEXAULLY BY PRODUCING GAMETES WHICH ARE RELEASED INTO THE WATER CRAZY SPONGE FACTS PUT A SPONGE IN A BLENDER & IT WILL REFORM! OF COURSE, IT WON’T LOOK THE SAME. HEY KIDS, WASN’T THAT FUN! I JUST LOVE SPONGES. HAVE A GREAT DAY!