annelid
41Vermetidae — Taxobox name = Vermetidae regnum = Animalia phylum = Mollusca classis = Gastropoda subclassis = Orthogastropoda superordo = Caenogastropoda ordo = Sorbeoconcha subordo = Hypsogastropoda infraordo = Littorinimorpha superfamilia = Vermetoidea… …
42earthworm — /errth werrm /, n. 1. any one of numerous annelid worms that burrow in soil and feed on soil nutrients and decaying organic matter. 2. Archaic. a mean or groveling person. [1400 50; late ME ertheworm. See EARTH, WORM] Regional Variation. The… …
43polychaete — /pol i keet /, n. 1. any annelid of the class Polychaeta, having unsegmented swimming appendages with many setae or bristles. adj. 2. Also, polychaetous. belonging or pertaining to the Polychaeta. [1885 90; < NL Polychaeta < Gk polychaítes having …
44Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
45Social behaviour in animals — Introduction actions of animals living in communities. Such behaviour may include the feeding of the young, the building of shelters, or the guarding of territory. General characteristics Social behaviour (Social behaviour in animals) …
46Alitta virens — Scientific classification Kingdom: Animalia Phylum …
47Opheliidae — Scientific classification Kingdom: Animalia Phylum: Annelida Class: Polychaeta …
48hirudinean — noun carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end • Syn: ↑leech, ↑bloodsucker • Derivationally related forms: ↑leech (for: ↑leech) • Hypernyms: ↑ …
49Siboglinidae — Taxobox name = Siboglinidae image width = 250px image caption = Riftia pachyptila regnum = Animalia phylum = Annelida classis = Polychaeta ordo = Canalipalpata familia = Siboglinidae familia authority = Caullery, 1914 subdivision ranks = Genera… …
50Echiura — Taxobox | name = Echiura image caption = Bonellia viridis , female regnum = Animalia subregnum = Metazoa superphylum = Lophotrochozoa phylum = Annelida classis = Echiura classis authority = Newby, 1940 [ [http://onlinezoologists.com/cs/echiura… …
