PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm &...

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PHYLUM ANNELIDA SEGMENTED WORMS

Transcript of PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm &...

Page 1: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

PHYLUM

ANNELIDA

SEGMENTED WORMS

Page 2: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

Don’t try this at home!

Page 3: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

many bristles

• SEGMENTED BODY

• MANY WELL DEVELOPED SYSTEMS

• BILATERAL SYMMETRY

CHARACTERISTICS:

Page 4: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

RAPTORIAL FEEDERS:

ex: CLAMWORM & BLOODWORM

Blood worms have

4 jaws

RAPTORIAL FEEDERS:

HAVE HOOK-LIKE JAWS

HELD INSIDE THE BODY

WHICH STRIKE OUT TO

GRAB PREY. FOOD IS THEN

PULLED BACK INSIDE OF

THE BODY & DIGESTED.

Page 5: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

CLAM WORM - RAPTORIAL FEEDER

SEPTA

walls

separate

segments

PARAPODIA

act as gills (absorb oxygen)

& used to crawl & dig

TENTACLES

sense of touch,

taste/smell

PHARYNX

pushed out

to feed

JAWS

grasp prey

Page 6: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

PARAPODIA

Page 7: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

CLAMWORM

Page 8: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

BLOODWORM

Page 9: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

BRISTLE WORM

Page 10: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

FIRE WORM – immature

Page 11: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

FIRE WORM – mature

Page 12: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

SUSPENSION FEEDERS

• FILTER FEEDERS

• FOOD IS TRAPPED BY

FEATHERY TENTACLES

& BROUGHT TO THE

MOUTH

• LIVE IN TUBES THEY

CREATE (SAND, CALCIUM)

• EXAMPLES:

FAN WORM

FEATHER DUSTER WORM

Page 13: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

SUSPENSION FEEDERS

TENTACLES

MOUTH

TUBE

Page 14: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

FEATHER DUSTER WORM

Page 15: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

FEATHER DUSTER WORM TUBE

Page 16: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

BEFORE

AFTER

Page 17: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

Yellow Feather Duster Worm

Page 18: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

BANDED FEATHER DUSTERS

Page 19: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

RED TUBE WORMS

Page 20: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

FEATHER DUSTER

Page 21: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

SLIME FEATHER DUSTER

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CHRISTMAS

TREE

WORMS

Page 23: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

SPIRAL TUBE WORMS

Page 24: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

CALCIUM WORM TUBES

Page 25: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

SPIRAL WORM SHELL

Page 26: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

DEPOSIT FEEDERS

• USE STICKY TENTACLES

TO FIND FOOD ON THE

SURFACE OF SEDIMENT

• LIVE IN BURROWS

IN SAND/MUD

GILLS

Page 27: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

SPAGHETTI WORM

Page 28: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

SPAGHETTI WORM

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CROSS-SECTION

MUSCLES

DORSAL BLOOD VESSEL

CLOSED SYSTEM!

REPRODUCTIVE

CELLS INTESTINE

VENTRAL NERVE CORD NEPHRIDIA

SETA /

CHAETES

VENTRAL BLOOD VESSEL

PARAPODIA

SPINES

Page 30: PHYLUM ANNELIDA SEGMENTED WORMS · segmented worms . don’t try this at home! ... clamworm & bloodworm blood worms have 4 jaws raptorial feeders: have hook-like jaws held inside

FUNCTIONS OF ORGANS/SYSTEMS

INTESTINE – ABSORB NUTRIENTS

MUSCLES – CAUSE MOVEMENT

BLOOD VESSELS – CARRY BLOOD

PARAPODIA – CRAWLING/DIGGING

NERVE CORD – CARRIES MESSAGES

TO/FROM THE BRAIN

NEPHRIDIA– EXCRETE URINE

SETA/SPINES – HELP MOVE

INCREASE TRACTION


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