phylum porifera
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Created by:
awepoidsfad on April 5, 2012
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18 terms
Terms | Definitions |
|---|---|
 Sponge G.P.C. | parazoa, porifera, demospongiae |
| term for sponges with radial canals | syconoid |
| term for encysted stage of spongilla | gemmule |
| clothed gemmule covered in? | spicules |
| gemmule function/becomes? | 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? | canals |
| sponge reproduction asexual or sexual | sexual |
| major structural protein of sponges? | collagen |
| collagen is modified into what substance to provide support for sponges? | spicules |
| cells responsible for sponge digestion | amoebocytes |
| cells that beat in unison to create current of water through sponge/for feeding | choanocytes |
| 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 | spongin |
| spongioblasts function/exclusivity | 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 |
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