Proboscis. proboscis. 1. (Science: zoology) A hollow organ or tube attached to the head, or connected with the mouth, of various animals, and generally used in taking food or drink; a snout; a trunk. The proboscis of an elephant is a flexible muscular elongation of the nose.The proboscis of insects is usually a chitinous tube formed by the modified maxillae, or by the labium. 2. (Science: zoology) By extension, applied to various tubelike mouth organs of the lower animals that can be everted or protruded.he proboscis of an elephant is a flexible muscular elongation of the nose. The proboscis of insects is usually a chitinous tube formed by the modified maxillae, or by the labium.
California currently has 53 members in the US  House of Representatives. That number will be adjusted after the  2020 US Census, effective with the 2022 elections.  Califo â¦ rnia has 55 representatives.
There are 100 members in the Senate. Each state elects two senators no matter the size or population of the state. In the House of Representatives there are 435 members. States are divided into districts based on their population. For every 693,000 people, a state will have one district. Tennessee has nine districts, and therefore nine members of the House of Representatives. A senator serves a six year term and they represent everyone in his or her state. A member of the House of Representatives serves a two year term and represents only the people who live in his or her district.