ClipArt ETC
Diagram showing the Ascon type of sponge. ec., ectoderm; r.c., radiating canals; i.p., internal pores; mes., mesenchyma, e.p., external pores.

Ascon Sponge

Diagram showing the Ascon type of sponge. ec., ectoderm; r.c., radiating canals; i.p., internal pores;…

Diagram showing the Sycon type of sponge. ec., ectoderm; r.c., radiating canals; i.p., internal pores; mes., mesenchyma, e.p., external pores; en1, entoderm; en2, flagellate entoderm; f.c., flagellate chambers.

Sycon Sponge

Diagram showing the Sycon type of sponge. ec., ectoderm; r.c., radiating canals; i.p., internal pores;…