Vocabulary terms for Chapter 14/Mollusks,Worms, Arthropods, and Echinoderms.
Terms
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- Soft-bodied invertebrates that usually have shells are called:
- mollusks
- structures that grow from the body are called
- appendages
- sac used for temporary food storage in earthworms are called
- crops
- muscular structure that grinds the soil is the
- gizzard
- invertebrates with jointed appendages are
- arthropods
- What is an outer covering made of chiten?
- exoskeleton
- the shedding on the exoskeleton is called
- molting
- changes some adults go through to become adults is
- metamorphosis
- appendages that act like suction cups
- tube feet
- the type of symmetry a mollusk has
- bilateral symmetry
- the system where blood is NOT in vessels, but spreads over the organs
- open circulatory system
- the name of the tongue-like organ that works like a file
- radula
- bristle-like structures of segmented worms that help them move
- setae
- If the blood is contained in vessels, it is what type of circulatory system?
- closed circulatory system
- This is what covers, supports, and protects the arthropod's body with a nonliving material
- exoskeleton
- Arachnids have how many legs?
- 8
- The largest group of complex invertebrates is
- insects
- Echinoderms have what type of symmetry?
- radial symmetry
- A spider is what type of arthropod?
- arachnid arthropod
- A star fish is a/an
- echinoderm
- A crab is a/an
- crustacean arthropod
- A clam is a
- bivalve mollusk
- An octopus is a/an
- cechalopod mollusk
- An earthworm is a/an
- annelid
- A grasshopper is a/an
- insect arthropod.