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vocabulary and characteristics

carapace hard outer covering or case of certain organisms such as arthropods and turtles
rostrum A forward extension of the carapace that protects the crustacean s well-defined head.
antennules serve as feelers sensitive to touch, taste, and equilibrium
compound eyes What kind of eyes do Crustaceans have?
chelipeds first pair of legs in crayfishes that bear large claws that are modified to catch, pick up, crush, and cut food
exoskeleton A body covering, typically made of chitin, that provides support and protection
swimmerets small paired appendages located on the ventral surface of the abdomen of crustaceans used for swimming or reproduction
uropods last pair of apendages that are flat structures which help the cray fish swim rapidly backwards
zoeae Female blue crabs release their larvae, called ______________, during spring high tides.
crayfish A freshwater animal that has a hard shell and prominent pincers.
nocturnal Active at night
amphiopoda shrimp look alikes and have no carapace
copepods Many species are planktonic crustaceans, and are a source of food and fertilizer.
branchiopods small crustaceans with segmented bodies and chitonous bodies (daphnia, and fairy shrimp)
daphina small creatures that do not have a circulatory system. clear/see through exoskeloton
brine a mixture of water and salt; the ocean or water from the ocean
cirripedia subclass, barnacles, body has overlapping plates, feeds with cirri basket
barnacles A sessile crustacean whose body is usually covered by plates composed of calcium carbonate.
chephalothorax the body region of some arthropods that consists of a head fused with a thorax
maxillipeds enable crayfish to taste and hold food.
regenerate The ability of an organism to re-grow lost parts.
molting Process in which an arthropod sheds its exoskeleton and manufactures a larger one to take its place
decapoda Which Order: is the largest and has 5 pairs of appendages
aquatic A term that describes an organism associated with a water environment.
calcium *Substance found in oyster shells, limestone, chalk and the human body
Created by: 756262959