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Annelids
Segmented worms - earthworms
Somites
Body divided into segments (annelids)
hermaphrodites
An organism with both sex organs (annelids)
Closed
Circulatory system of Annelids
Clitellum
Produces mucus for reproduction (annelids)
Arthopods
Grasshopper, crayfish, insects, etc
Chitin
Arthropods have exoskeletons made of?
Jointed appendages
segmented limbs of arthopods
head, thorax, abdomen
segmented body of Arthopods
grasshopper
3 pairs of legs, 2 wings
simple AND compound eyes
incomplete metamorphosis
Echinoderms
Sea stars
marine
echinoderm environment
radial
symmetry of adult echinoderms?
water vascular system with tube feet
vascular system of echinoderms?
under the skin
endoskeleton where in echinoderms?
madreporite
Opening where water enters the water vascular system?
Notochord
rod for support within chordates
Dorsal nerve cord
this becomes the nervous system within chordates
pharyngeal slits
the feeding or breathing structures of chordates
post anal tail
extention for movement within chordates