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10 terms

invertebrate

an animal without a backbone
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invertebrate
an animal without a backbone
porifera
an invertebrate with pores
cnidarians
invertebrates with stinging cells
annelids
worms with segmented bodies (earthworms)
echinoderms
invertebrates with spiny skin
mollusks
invertebrates with soft bodies
arthropods
invertebrates with jointed legs
sessile
permanently attached to one place
regenerate
an animal's ability to re-grow body parts
parasite
an animal that depends on and harms another animal