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