Alternation of generations occurs in plants, where the sporophyte phase is succeeded by the gametophyte phase<span>. The sporophyte phase produces spores by meiosis within a sporangium. The </span>gametophyte phase<span> produces gametes by mitosis within an antheridium (producing sperm) and/or archegonium (producing eggs).</span>
It looks to be green, which is the color of chlorophyll produced in the chloroplasts. This means that it is found in the green leaves and is used to convert light into energy.