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
video1 4:42
BASIC CHARACTERISTICS
• SIMPLEST ANIMALS – NO SYMMETRY
• NO TISSUES, NO ORGANS
• NO LOCOMOTION AS ADULTS
• PERMANENTLY ATTACHED TO A
HARD SURFACE
• FILTER FEEDERS –
EAT PLANKTON, ALGAE, BACTERIA,
AND DETRITUS (organic decaying matter)
TUBE SPONGE ON WALL
Dan
RMCUR
YELLOW TUBE SPONGE
RMJA
PURPLE
VASE
SPONGE
BASIC BODY FORM / ORGANIZATION
1. OSCULUM –
LARGE EXCURRENT PORE
1
2
3
2. OSTIA -SMALL INCURRENT PORE
3. INNER CHAMBER -COLLAR CELLS LINE THE
CHAMBER, ABSORB O2
& FOOD
PURPLE TUBE SPONGE
Osculum
RMBON
ENCRUSTING SPONGE
OSTIA
OSCULU
M
RMJA
HOME SWEET HOME
RMJA
Barrel sponges – FL ’06 – 20 seconds
Puffer in sponge - FL ’06 - 30 seconds
ORGANIZATION OF SPONGES
SUPPORT STRUCTURES CALLED SPICULES
SPICULES ARE SPLINTER
LIKE STRUCTURES MADE
BY SPONGE CELLS
SPICULES ARE MADE OF
CALCIUM CARBONATE OR
SILICON DIOXIDE
SPICULES ARE DIFFERENT
IN EACH SPECIES
SPONGE WITH VISIBLE SPICULES
RMJA
FLAME SPONGE
RMJA
BROWN FINGER SPONGE
RMCUR
video2 2:00
COLLAR CELLS
1
1. FLAGELLA - CREATE
WATER CURRENTS
2. COLLAR - TRAPS 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
FLAGELLA CREATE
WATER CURRENTS TO
BRING FOOD IN.
COLLARS TRAP FOOD
WATER IN
WATER IN
WATER OUT
CELL BODIES ABSORB
FOOD & O2
WASTE WATER
LEAVES THROUGH
THE OSCULUM
SPONGES ARE FILTER FEEDERS
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
SPICULES MADE
OF CALCIUM
CARBONATE
SPICULES ARE
SEPARATE &
UNSUPPORTIVE
GLASS SPONGES
LARGE SPONGES
SPICULES MADE OF
SILICON DIOXIDE
SPICULES FUSED
TOGETHER AND
OFFER SUPPORT
BATH SPONGES
HAVE NO SPICULES
ELASTIC FIBERS
CALLED SPONGIN
OFFER SUPPORT
CLEANED, DRIED
AND SOLD FOR
COMMERCIAL USES
DEAD MAN’S FINGERS
GUN POWDER SPONGE
RMNY
RED BEARD SPONGE
RMNY
BREAD CRUMB SPONGE
RMNY
VELVETY RED ENCRUSTING SPONGE
ORANGE ENCRUSTING SPONGE
RMJA
DID YOU KNOW IF YOU PUT A SPONGE IN A
BLENDER IT WILL REFORM!
OF COURSE, IT WON’T LOOK THE SAME.
HOW DO SPONGES REPRODUCE?
SPONGES REPRODUCE ASEXUALLY BY
BREAKING OFF PIECES OR BUDDING
SPONGES REPRODUCE SEXUALLY BY
PRODUCING SPERM & EGGS WHICH ARE
RELEASED INTO THE WATER
HEY KIDS,
WASN’T
THAT FUN!
I JUST LOVE
SPONGES.
HAVE A
GREAT DAY!