Details

Title: !!!!!!!!!!Phylum Echinodermata

Description: inverts final

Total Flash Cards: 12

Created: 12/20/2009 22:13:17

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Additional Biology Flashcards

Cards in this set:

Term
name meaning
 Definition
spine skin
Term
body
 Definition
coelomate
Term
adult symmetry
 Definition
pentamerous (5-point) symmatry
Term
larvae symmetry
 Definition
bilateral
Term
internal skeleton
 Definition
many ossicles of CaCO3 or MgCO3; brittle star=articulated ossicles; sea urchin=fused ossicles
Term
connective tissue
 Definition
mutable; can stiffin and soften up; collagen fibers(change in viscosity); sea cucumbers: peptides
Term
Water Vascular System
 Definition
derived from coelom;closed system of fluid-filled canals; ring canal, madreporite on aboral surface, stone cana, lateral canals, radial canal, tube feet(podia)w/ ampullae(thin-walled extensions), polian vessicles and Tiedmann's bodies(some in sea stars)
Term
tube feet
 Definition
locomotion, suction, duogland adhesive, ionic interaction,gas exchange, extretion, diffusion across body wall
Term
Hemal System
 Definition
move nutrients throughout body, axial organ, hemal vessels
Term
nervous system
 Definition
nerve network
Term
reproduction
 Definition
mostly gonochorisic,multiple gonads, deuterostome
Term
development
 Definition
indirect, some echinodermata w/ direct development/brooding