BIOL 2001 Lecture Notes - Lecture 1: Estuary, Invertebrate, Gonad
19 Apr 2016
School
Department
Course
Professor
Document Summary
Lab 1: form and function of the mullusca phylum mullusca = 2nd most speciose phylum: the adult mulluscs characterized by sharing a common ancestor tht had visceral mass, foot, mantle, radula and shell. Bivalvia: shells also has been lost or reduced in some molluscan lineages terrestrial slugs, marine useful for locomotion slugs (nudibranchs) and cephalopods. Class bivalvia lifestyle therefore, the radula (a phylum characteristic seen in the gastropoda and. Cephalopods = have most complex eyes and brains of any protostome: eyes = analogous to our eyes, they can change color and can also release a dark liquid from their ink gland to confuse predators. Internal features of a bivalve: don"t open the shell with a scapel, for clam: posteriorly to form 2 openings to the outside world in the clam large posterior muscle = posterior adductor small anterior muscle = anterior adductor. Class gastropoda = aka stomach foot, include freshwater, marine and terrestrial snails and slugs.
