Drivetrain Services. Jiffy LubeÂ® is one of the largest providers of preventive maintenance and light duty repair in North America. Jiffy Lube knows what grinds your gears: old, broken-down differential fluid. Jiffy Lube will remove old fluid and replace it with new fluid.
Life exhibits varying degrees of organization. Atoms are organized into molecules, molecules into organelles, and organelles into cells, and so on. According to the Cell Theory, all living things are composed of one or more cells, and the functions of a multicellular organism are a consequence of the types of cells it has. Cells fall into two broad groups: prokaryotes and eukaryotes.
To survive, many germs have to invade cells and steal some of the functions of cells, often damaging cells in the process. Levels of organization, showing relation of atoms to cells to organisms. Each item represents a different level of organization. Organelles, for example, operate only within a cell and what they do has direct effects only on the cell.