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Invertebrates

Ch. 13

TermDefinition
Echinoderms animals with spiny skin like sea stars, sea urchins, sand dollars & sea cucumbers.
water-vascular system water filled canals that help an echinoderm move
tube feet small suction cups that help echinoderms move and find food
Arthropods- animals with exoskeleton, jointed legs and body segments like insects, crustaceans, centipedes, millipedes & arachnids.
appendages arms, legs, wings, antenna,or claws on an animal
exoskeleton hard outer covering on some invertevrates
molting the shedding of an exoskeleton and replacing it.
Insects animals with 3 body segments, 6 legs,exoskeleton and some have antenna
spiracles breathing holes on insects
Incomplete Metamorphosis animal cycle that includes egg, nymph and adult
Complete Metamorphosis animal cycle that includes egg, larva, pupa and adult
Arachnids animals with 2 body segments, exoskeleton and 8 legs.
Centipedes animals that is a carnivore with many body segments with two legs per segments and has an exoskeleton
Millipedes animals that is a herbivore with many body segments with four legs per segments and has an exoskeleton
Crustaceans animals with 2 body segments, gills, claws, and exoskeleton
Annelids another name for segmented worms
setae bristles on the segmented worms
crop food storage bag for annelids
gizzard grinds the food for annelids
Polychaetes means "many bristles" also another name for Marine Worms
mantle thin skin that produces the shell on mollusks
Open Circulatory System blood that flows throughout the body cavity
Closed Circulatory System blood that flows in vessels within the body
radula tongue-like structure with rows of teeth on some mollusks
Gastropod Mollusk that means "stomach-foot" like in snails or slugs
Cephalopod Mollusk that means "head-footed" like on an octopus or a squid.
Bivalves mollusks with two shells like clams or scallops
Created by: hubblep
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