Choose the word that best completes each sentence. All organisms are made up of cells , the basic unit of structure and function. is the ability to do work and allows living things to perform all the functions necessary to live.

answer; heredity ;

answer; social penetration theory;

answer; (d) they are in charge of the ushers and making sure the audience gets to their seats on time; they also control the box office; i know (c) is wrong and (b) don't make sense;

answer; with few regulations protected the prices of crops which made farmers leave their farms and migrate to the big cities to work in factories;