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