Sunday, September 26, 2010

sessility

In zoology, sessility is a characteristic of animals which are not able to move about. They are usually permanently attached to a solid substrate of some kind, such as a rock, or the hull of a ship in the case of barnacles. Corals lay down their own substrate.

No comments:

Nine holes

  Nine holes is a two-player abstract strategy game from different parts of the world and is centuries old. It was very popular in Englan...