This preview shows page 1. Sign up to view the full content.
Unformatted text preview: tube) • Circulatory system = central ring and five radial vessels, but no heart • sexually mature after approximately two to three years, eggs and sperm cells are released into open water, where fertilization takes place (except for some species of starfish) • Some echinoderms (starfish) can regenerate. From one missing arm, it can generate a completely new starfish. • Feeding - filter-feeders, STARFISH – invert stomach…engulf food, digest it once, then send it to the second stomach to digest it again…ok...
View Full Document
This note was uploaded on 10/18/2011 for the course BIO 1103 taught by Professor Brickman during the Spring '08 term at University of Georgia Athens.
- Spring '08