Life: The Science of BiologyArchived 2014-06-28 at the वेबैक मशीन, David Sadava, David M. Hillis, H. Craig Heller, May Berenbaum, Macmillan, 2009, ISBN 978-1-4292-4644-6, ... Gymnosperms (which means “naked-seeded”) are so named because their ovules and seeds are not protected by ovary or fruit tissue ...
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Life: The Science of BiologyArchived 2014-06-28 at the वेबैक मशीन, David Sadava, David M. Hillis, H. Craig Heller, May Berenbaum, Macmillan, 2009, ISBN 978-1-4292-4644-6, ... Gymnosperms (which means “naked-seeded”) are so named because their ovules and seeds are not protected by ovary or fruit tissue ...
