The other crustaceans Flashcards
Class Remipedia (“_________”) the only other crustacean besides the crayfish with appendages _______________; live in ________ connected to the sea
Oar footed, beyond the cephalothorax, caverns
Class Cephalocardia (“________”), no ________, no eyes (________), no abdominal appendages; ________ (all appendages alike) & __________ (egg & sperm in same duct)
Head shrimp, carapace, sediment dwelling, primitive, hermaphroditic
Class Branchiopoda (“________”) legs modified to _________; flat to increase _________
Lung feet, respiratory function, surface area
(Branchiopoda) _________ - no carapace; fairy or brine shrimp
Anostraca
(Branchiopoda) _________ - single (back) carapace; tadpole shrimp
Notostraca
(Branchiopoda) __________ - double carapace - Daphnia or water fleas
Diplostraca
Class Ostracoda - like the daphnia w/ __________ but w/ body __________; widespread in both marine & freshwater ecosystem where they are an important link in the food web.
Bivalve carapace, totally enclosed
Class Maxillopoda: (“______”) b/c of appendages on the head.
Jaw foot
(Maxillopoda) ________: very diverse & numerous; important as primary consumers in aquatic food webs worldwide
Copepoda
Cirripedia: “_______” - Barnacles; body enclosed in _________; head _______, no _________, thoracic legs modified to extend thru shell for ________.
Curl footed, calcareous plates, reduced, abdomen, filter feeding
(Malacostraca) Isopoda - ______ - only ________ crustaceans; still breathe with _____ so occupy only __________.
Pill bugs, terrestrial, gills, damp habitats
(Malacostraca) Euphausiacea - “_____” a swarming, ________ crustacean; an essential food source for large animals like __________; often ___________.
Krill, planktonic, baleen whales, bioluminescent
