Nerve net Nerve net A nerve net consists of interconnected neurons lacking a brain or any form of cephalization. While organisms with bilateral body symmetry are normally associated with a central nervous system, organisms with radial symmetry are associated with nerve nets. Nerve nets can be found in members of the Cnidaria, Ctenophora, and Echinodermata phyla, all of which are found in marine environments. Nerve nets can provide animals with the ability to sense objects through the use of the sensory neurons within the nerve net. The nerve net is the simplest form of a nervous system found in multicellular organisms. Unlike
Han Chinese subgroups is Hakka. In Hong Kong, a majority of the population are Cantonese. According to the CIA World Factbook, 89% of Hong Kongers speak the Cantonese language. Other Han Chinese peoples present in Hong Kong include the Hakka, Hoklo, Teochew and Shanghainese. According to the CIA World Factbook, 85.7% of Macanese speak Cantonese. The term "Macanese people" or Macanese of mixed Cantonese and Portuguese descent. Han Chinese subgroups The sub groups of the Han Chinese people, also known as Sinitic peoples, Chinese dialect groups or just dialect groups, are defined based on linguistic, cultural, genetic, and regional features. The terminology used