parazoa, porifera, demospongiae
term for sponges with radial canals
term for encysted stage of spongilla
clothed gemmule covered in?
withstands difficult environments/becomes new sponge
degree of coordination among sponge cells lies between?
protozoan and metazoan
1 important sponge feature is that they have a system of?
sponge reproduction asexual or sexual
major structural protein of sponges?
collagen is modified into what substance to provide support for sponges?
cells responsible for sponge digestion
cells that beat in unison to create current of water through sponge/for feeding
5 steps of water flow in syconoid sponges
ostia, incurrent canal, radial canal, spongocoel, osculum
sponge class determined by?
composition of spicules
term for protein in sponges
make protein that can support larger canal system, only in class demospongiae
biggest sponges due to extensive canal system, compromise most sponges (2)
leuconoid aka demospongiae
hexctinellida euplectella special feature/example
glass sponges/venus flower basket