Arthropods
Largest group of arthropods
What are insects?
True or False. Most crustaceans are aquatic.
What is TRUE?
Order Decapoda includes these familiar edible arthropods
What are lobsters, crabs, shrimp, prawns, crayfish?
appendages on the underside of the abdomen that assist in swimming
What are swimmerets?
shrimp "look-alikes" which have 4 pair of legs pointing forwards and the last 3 pairs pointing backwards.
What are amphipods?
other 4 main groups of arthropods
What are 1. crustaceans
2. arachnids 3.centipedes and 4. millipedes
Name the 2 distinct body regions of a crustacean.
What are the cephalothorax and abdomen?
the hard shell that covers a decapods cephalothorax and protects vital organs
What is a carapace?
This decapod's abdomen is tucked beneath its carapace, appearing to have no abdomen at all.
What is a crab?
found as plankton in both marine and freshwater environments with a single eye on top of its head
What is a copepod?
arthropods with very hard, crusty exoskeleton
What are crustaceans?
Crustaceans breathe with these.
What are gills?
a forward extension of the carapace which protects the decapod's head
What is the rostrum?
enables the decapod to see in several directions without having to rotate its head or body
What are 2 compound eyes?
small crustaceans with shortened antennae and leaf-like legs with gills located on their feet.
What are branchipods?
crustaceans are the only arthropods with these
What are 2 pairs of antennae?
One of the most fascinating characteristics of crustaceans.
What is the ability to regenerate missing body parts?
"jaw feet" which are specifically designed to hold food as the decapod chews
What are maxillipeds?
the shorter of the 2 pair of feelers
What are attenules?
crustacean that spends its adult life permanently attached to a solid objet
What is a barnacle?
crustacean exoskeletons are hardened by this
What is calcium carbonate?
Another name for a crustacean claw
What is a chela?
front 2 legs of the decapod used for protections and seizing prey
What are chelipeds?
TRUE OR FALSE. Decapods have a small diet.
What is FALSE? Decapods will eat almost anything, dead or alive.
the only terrestrial crustacean
What is woodlice? (a.k.a. roly-poly)