Evolutionary history of plants seed model is shared by basically all gymnosperms (literally: "naked seeds"), most of which encase their seeds in a woody cone or fleshy aril (the yew, for example), but none of which fully enclose their seeds. The angiosperms ("vessel seeds") are the only group to fully enclose the seed, in a carpel. Fully enclosed seeds opened up a new pathway for plants to follow: that of seed dormancy. The embryo, completely isolated from the external atmosphere and hence protected from desiccation, could survive some years of drought before germinating. Gymnosperm seeds from the Late Carboniferous have been found to contain
Seeds of Change (album) Seeds of Change (album) Seeds of Change is Kerry Livgren's first solo album. Released in 1980 while he still was a member of Kansas, it features guest appearances by three fellow Kansas members: Steve Walsh, Phil Ehart and Robby Steinhardt. Singer Ronnie James Dio and members of LeRoux, Jethro Tull, Ambrosia, and Atlanta Rhythm Section are also featured. In 1996, "Seeds of Change" was reissued by Renaissance Records with an interview with Livgren as a bonus track. "Seeds of Change" marked a new chapter in Kerry Livgren's music. It was recorded after Kerry Livgren had converted to Christianity in 1979.