Common Names and Vocab Flashcards
(56 cards)
Coelom
a cavity surrounding the organs that is mesoderm lined on both sides in true coeloms, lined by endoderm one on side and mesoderm on the other is psuedocoelomates, and absent and acoelomates
metamerism
segmentation aka a linear series of repeated body segments have the same or similar functions, while some segments may have specialized functions
lophophore
having ciliated tentacles surrounding the mouth OR having trochophore larvae
Turbellaria
Flat worms or freshwater planarians
Trematoda
Fluke - blood fluke, Chinese liver fluke etc
Cestoidae
tapeworms
Rotifera
no common name, but makes up a huge part of biomass, and is critical to the food web
Ectoprocta
Moss Animal / Bryozoa.
Brachiopoda
no common name, just remember that their shells are often not mirror images, and there is often a groove in them
Mollusca
snails, clams, squids, octopuses etc - important to many commerical industries due to the dye produced from different species (tyrian purple, sepia)
radula
tongue like organ used to rasp food (absent in bivalves, modified into a beak in squids)
hemolymph
blood like fluid in most invertebrates - transports nutrients and can act as a hydraulic skeleton
nephridia
tubular, glandular excretory organs. Can be protonephrida (flatworms) or metanephrida (earthworms)
Polyplacophora
chitins
Gastropoda
snails, slugs, limpets, conchs
Cephalopoda
Octopuses, squid, cuttlefish, nautilus
bivalvia
clams, oysters, scallops
Annelida
segmented worms
tagmatism
partial refusing of segments that allows specializations
protstome
forms mouth first in embryology
dueterstome
forms anus first in embryology
amphistomy
blastopore elongates laterally forming mouth and anus at the same time
chitin
a long chain polymer that makes most exoskeletons
clitellum
in oligochaeta - secretes mucus and cocoon for eggs
