| A | B |
|---|
| names of crustaceans | shrimp, crab cakes, crayfish, lobsters, pill bug |
| environment of crustacean | freshwater lakes and rivers, puddles |
| crustacean | arthropod that has 2-3 body sections, 5+ pairs of legs, and 2 pairs of antennaie |
| T/F: Every crustacean body segment has a pair of appendages. | True, but the various types of appendages function differently. |
| describe crustacean antennae | 2 pairs that are used for smelling, tasting, touching, and keeping balance |
| describe crustacean leg appendages | 4 walking pair and one front pair called chelipeds used for obtaining food and defending itself |
| swimmeret | crayfish appendages like flippers used for swimming |
| gills of crustacean | located beneath the crustacean shell to take O2 from water |
| types of food eaters | scavengers, predators (pistol shrimp with appendage force that stuns) herbivores (krill in cold) |
| crustacean life cycle | larvae that are metamorphized into changed adults |
| metamorphosis | process in which animal body undergoes dramatic changes in form during life cycle |
