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25 Cards in this Set
- Front
- Back
Soft-bodied invertebrates that usually have shells are called:
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mollusks
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structures that grow from the body are called
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appendages
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sac used for temporary food storage in earthworms are called
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crops
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muscular structure that grinds the soil is the
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gizzard
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invertebrates with jointed appendages are
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arthropods
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What is an outer covering made of chiten?
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exoskeleton
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the shedding on the exoskeleton is called
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molting
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changes some adults go through to become adults is
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metamorphosis
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appendages that act like suction cups
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tube feet
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the type of symmetry a mollusk has
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bilateral symmetry
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the system where blood is NOT in vessels, but spreads over the organs
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open circulatory system
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the name of the tongue-like organ that works like a file
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radula
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bristle-like structures of segmented worms that help them move
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setae
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If the blood is contained in vessels, it is what type of circulatory system?
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closed circulatory system
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This is what covers, supports, and protects the arthropod's body with a nonliving material
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exoskeleton
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Arachnids have how many legs?
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8
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The largest group of complex invertebrates is
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insects
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Echinoderms have what type of symmetry?
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radial symmetry
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A spider is what type of arthropod?
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arachnid arthropod
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A star fish is a/an
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echinoderm
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A crab is a/an
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crustacean arthropod
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A clam is a
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bivalve mollusk
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An octopus is a/an
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cechalopod mollusk
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An earthworm is a/an
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annelid
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A grasshopper is a/an
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insect arthropod.
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