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.
Elizabethtown, Pennsylvania. Elizabethtown (Pennsylvania Dutch: Betzischteddel) is a borough in Lancaster County, Pennsylvania, 21 miles (34 km) southeast of Harrisburg. Small factories existed at the turn of the 20th century when the population in 1900 was 1,861. There was a slight increase in the next decade, with 1,970 people living in Elizabethtown in 1910. As of the 2000 census, the population of the borough was 11,887. Elizabethtown is commonly referred to in south-central Pennsylvania as E-Town.