Ascophora (class Gymnolaemata, order Cheilostomata) Suborder of cheilostome bryozoans in which the tentacles are protruded and withdrawn by means of a hydrostatic organ (the compensation sac). The operculum is hinged in such a way that it controls the flow of water into the interior. The suborder occurs from the Cretaceous to the present.
More From encyclopedia.com
Debris Flow , Debris flow Debris flow is a process in which water-saturated masses of material ranging from sand grains to boulders move across low slopes. These f… Earthflow , earthflow A flow of unconsolidated material down a hill-slope, normally resulting from an increase in pore-water pressure, which reduces the friction… Intermittent Stream , intermittent stream A stream which ceases to flow in very dry periods. The flow may occur when the water-table is seasonally high, but there will not… Hypopycnal Flow , hypopycnal flow Bankfull Flow , bankfull flow Flow , Flow BIBLIOGRAPHY Embedded within and critical to the burgeoning field of positive psychology, the concept of flow represents an optimal state of con…
About this article
Updated About encyclopedia.com content Print Article
You Might Also Like