Relier Pairs Levels of OrganizationVersion en ligne Match the level of organization with its definition par Anna Fox 1 A part of a cell that does a specific job. 2 The basic building block of matter 3 A single individual or living thing 4 A group of tissues in a living organism that work together to perform a specific function. 5 Multiple atoms bonded together 6 A group of cells that perform a specific function 7 Multiple organisms of the same species that live in the same area 8 A group of organs that work together to perform specific functions. 9 The basic unit of life