Members of the phylum Platyhelminthes are flatworms, such as the planarian. Grubs and tapeworms are other examples of flatworms. Flatworms display bilateral symmetry; that is, the left and right halves of the body are mirror images of one another.
Dhaka is located in central Bangladesh at 23Â°42â²N 90Â°22â²Eï»¿ / ï»¿23.700Â°N 90.367Â°Eï»¿ / 23.700; 90.367, on the eastern banks of the Buriganga River. The city lies on the lower reaches of the Ganges Delta and covers a total area of 300 square kilometres (120 sq mi).
Dhaka, the capital of Bangladesh, remained the most densely populated city, at 113,000 per square mile (4,500 per square kilometer). Detailed population density for the 1,009 cities is in Table 4 of World Urban Areas. Where Urban Population is Growing.