platyhelminthes Flashcards
(18 cards)
body plan
bilateral
body cavity
acoelomate
classes
turbellaria
monogenea
trematoda
cestoda
mostly free-living flatworms
turbellaria
also known as flukes
trematoda
also known as tapeworms
cestoda
also known as planarian
turbellaria
Dugesia sp.
turbellaria
Dactylogyrus sp.
monogenea
gill fluke
monogenea
Schistosoma japonicum
trematoda
blood fluke
trematoda
Taenia saginata
cestoda
beef tapeworm
cestoda
Most marine, some freshwater, a few terrestrial; predators and scavengers; body surface ciliated
turbellaria
Marine and freshwater parasites; most infect external surfaces of fishes; life history simple; ciliated larva starts infection on host
monogenea
Parasites, mostly of vertebrates; two suckers attach to host; most life cycles include intermediate and final hosts
trematoda
Parasites of vertebrates; scolex attaches to host; proglottids produce eggs and break off after fertilization; no head or digestive system; life cycle with one or more intermediate hosts
cestoda