Demospongiae is the largest and most diverse class of the Porifera. It unites [9] sponges with siliceous spicules (Fig. 2G) (either monaxonic or tetraxonic, never triaxonic)
xonic, suffix for axis. "either 1 axis, or 4 axises. yet never 3 axises".
2 Matching Annotations
- Last 7 days
-
journals.plos.org journals.plos.org
-
-
oligotrophic
oligotrophic = clear water with low nutrient concentration. Eutrophic = water with high nutrient levels; leading to abundant plant growth and murky water, high BO.
-