Evolutionary history of plants foliage consisted of fern-like fronds, although they were not closely related to ferns. The oldest fossil evidence of seed plants is of Late Devonian age, and they appear to have evolved out of an earlier group known as the progymnosperms. These early seed plants ranged from trees to small, rambling shrubs; like most early progymnosperms, they were woody plants with fern-like foliage. They all bore ovules, but no cones, fruit or similar. While it is difficult to track the early evolution of seeds, the lineage of the seed ferns may be traced from the simple trimerophytes through homosporous Aneurophytes. This
Stevie Wonder's Journey Through "The Secret Life of Plants" Stevie Wonder's Journey Through "The Secret Life of Plants" Stevie Wonder's Journey Through "The Secret Life of Plants" is an album by Stevie Wonder, originally released on the Tamla Motown label on October 30, 1979 (see 1979 in music). It is the soundtrack to the documentary "The Secret Life of Plants", directed by Walon Green, which was based on the book of the same name by Peter Tompkins and Christopher Bird. Wonder created the film score by having Michael Braun, the film's producer, describe each visual image in detail, while the sound engineer, Gary Olazabal, specified the length of a