Examples from the Web for Perth Amboy. Historical Examples. This will bring you in a short time to the Metuchen road, and this should be kept to for about four miles beyond Perth Amboy. Harper's Round Table, July 16, 1895 Various. The assembly under the union met alternately at Perth Amboy and at Burlington. The Quaker Colonies Sydney G. Fisher.
Planaria is a small aquatic genus of flatworm. The term is also used for other similar flatworms. They are fresh water animals which move in a smooth wave-like manner.Planaria are free-living.They can live in fresh water or very damp soil, depending on the type.he term is also used for other similar flatworms. They are fresh water animals which move in a smooth wave-like manner. Planaria are free-living. They can live in fresh water or very damp soil, depending on the type.
Planarians are free-living flatworms and form the class Turbellarians in the Phylum Platyhelminthes. The Other two classes of flatworms are parasitic (flukes and tape worms). Flatworms have three tissue layers, ectoderm, mesoderm, and endoderm. These tissues are organized into organs and organ systems. Thus, flatworms are the simplest animals with mesodermic layers and organ-system levels of organization.