Essential to understanding the life cycle of a plant is the concept of alternation of generations. One of the defining traits of plants is that a single adult plant exists in two separate states, called generations, with differing purposes. The sporophyte generation contains a full set of chromosomes in each cell and produces spores.
SD cards are an extension of MMC memory cards; this means that it's possible to use MMC cards in newer SD devices. It's also possible to use regular SD cards in SDHC and SDXC devices.
Bonus Tolerance = 0. Position tolerance at MMC = 5. The concept of MMC and bonus tolerance becomes much clearer if visualized in 3D. In this first video, the center axis of the cylinder representing the pin at MMC displaces around the position tolerance zone, which is defined as a cylinder with a diameter of 5mm.