A proboscis /proÊËbÉsÉªs/ is an elongated appendage from the head of an animal, either a vertebrate or an invertebrate.In invertebrates, the term usually refers to tubular mouthparts used for feeding and sucking.he elephant 's trunk and the tapir 's elongated nose are called proboscis, as is the snout of the male elephant seal. The proboscis monkey is named for its enormous nose. An abnormal facial appendage that sometimes accompanies ocular and nasal abnormalities in humans is also called a proboscis.
The House of Representatives allows for no more than 435 representatives to be divided among the 50 states, the District of Columbia and the five U.S. territories (American Samoa, Guam, Northern Marina Islands, Puerto Rico and the U.S. Virgin Islands).
There are 100 Senators in the Senate. The number of Senators per state remains at two and the total number only changes when a new state is admitted into the union. There are 435 Representatives in the House of Representatives. The number of members in the House of Representatives is a different story and is based on population. The process by which seats in the House are distributed to the states is called âCongressional apportionmentâ and starts with the U.S. Census which is conducted every ten years.