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vocab chapter 9

TermDefinition
vertebrate animal with a backbone
endoskeleton skeleton inside the body
invertebrate animal without a backbone
exoskeleton skeleton on the outside of the body
pores tiny opening
proiferan inverbrate animal with pores
spicule small, hard, needlelike structure of a sponge
cnidarian invertebrate animal with stinging cells and a hallow central cavity
polyp cuplike form of a cnidarian
medusa umbrealla like form of a cnidarian
platyhelminth type of worm with a flattend body
parasite organism that gets its food by living on or in the body of another organism
nematode type of worm with a round body
annelid type of worm with a segmented body
setae tiny, hairlike bristles
slosed circulatory system organ system in which blood moves through vessles
mollusk soft boddied orgamism
mantle thin membrane that covers a mollusk's organ
radula rough, tonguelike organ of a snail
echinoderm spiny skinned animal
water vascular system system of tube used to transport water
tube feet small strucres of echinodrms used for movement and feeding
regeneratoin ability to regrow lost parts
Created by: ShelbyR98
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