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arthopoda jointed foot
chaetae bristles used to anchor and provide traction
oligochaetae few hairs on each segment
annelidia tiny rings
chordata has a backbone
WOWbug Melittobia digitata
blackworm lumbriculus varigatus
earthworm Lumbriculus terrestris
closed ciculatory system blood moves through the body in vessels
open ciculatory system blood is not contained in vessels
parasite lives off of a host with no benefit to the host
spiracles used for gas exchange in WOWbugs
photoreceptor allows the tail of blackworm to sense shadows
clitellum a part that is needed for earthworm regenation
exoskeleton provides support; made of chitin
Created by: rodenbeckbl