You can see the introduction to this series here. In this post we examine the evidence that mitochondria and chloroplasts are the descendants of free-living bacteria that entered into mutualistic relationships with eukaryotic host cells.
Seaham Beach England Sea Glass. We, David and Lin from OdysseySeaGlass.com, have received a number of questions about Seaham, England area beaches. We responded initally with the following: Some have wondered where the sea glass on the famous Seaham beach in England came from. Obviously, there was some kind of glass manufacturer because of the variety of colors and blends not normally found on you average beach.
Sea chest. A sea chest is a rectangular or cylindrical recess in the hull of a ship. Ship's reservoir. The sea chest provides an intake reservoir from which piping systems draw raw water. Most sea chests are protected by removable gratings, and contain baffle plates to dampen the effects of vessel speed or sea state. The intake size of sea chests varies from less than 10 cmÂ² to several square metres. Zebra mussel control in sea chests