The life cycle of all tracheophytes (vascular plants), bryophytes (mosses and liverworts), and many algae and fungi is based on an alternation of generations, or different life phases: the gametophyte, which produces gametes, or sex cells, alternating with the sporophyte, which produces spores.
This site is best experienced using Internet Explorer 8 or Firefox. Twin City Die Castings (TCDC) is a full service provider of precision aluminum and magnesium die castings. TCDC has been family owned since 1919 when it was founded in Minneapolis, Minnesota. We now have three ISO/TS 16949:2009 certified US locations.
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