The water vascular system is a hydraulic system used by echinoderms, such as
sea stars and ... Each side of the
1 : one of the numerous minute
It leads an aquatic life The body of sycon shows pores and canals which form a
complex canal ...
May 2, 2012
This consists of
www.bio.fsu.edu/~bsc2011l/sum07/Midterm Review 2 Porifera.pdf
generally made of several cells. Water enters the sponge through these pores
and moves into the incurrent canal. Water leaves this area to enter the
One of the numerous
... click to hear. Circular canal in which filtered water enters through the
madreporite and branches out into the radiated canals. ...