Section 26.1 Summary – pages 693-697 Sponges are mainly sessile organisms. Because most adult sponges can’t travel in search of food, they get their.
Section 26.1 Summary – pages 693-697
Phylum Echinodermata. What is an echinoderm? PHYLUM ECHINODERMATA Members of this phylum have many unusual characteristics. They move by means of hundreds.
