Flatworms also have a feature that the sponges and cnidarians do not, a middle layer of actual organized cells. Flatworms have three cell layers: an ectoderm, an outer covering like the other groups have; an endoderm, a lining of the digestive spaces somewhat like a cnidarians; and a mesoderm between the other two. With actual tissues protected like this, another evolutionary explosion of features happened.
Buying a home in Fredericktown, PA. Fredericktown is a city in Washington County, Pennsylvania. Last year, 2 properties were sold for a median price of $49,000. Average price for a home in Fredericktown, PA is $49,000. The average property tax is $1,186 per year.
Quakertown is a borough in Bucks County, Pennsylvania, in the United States. As of the 2010 census, it had a population of 8,979. The borough is 16 miles (26 km) south of Bethlehem and 29 miles (47 km) north of Philadelphia, making Quakertown a border town of both the Delaware Valley and Lehigh Valley metropolitan areas. Quakertown is considered part of the AllentownâBethlehem urbanized area and the PhiladelphiaâCamdenâVineland (PAâNJâDE) MSA. Quakertown was originally settled by the Religious Society of Friends, or Quakers. The settlement was not officially known as Quakertown until its first post office opened in 1803.