This is a preview. Log in through your library . Abstract The shoot apex of Dennstaedtia cicutaria consists of three zones-a zone of surface initials, a zone of subsurface initials, and a cup-shaped ...
When plants evolved a vascular system containing cells that facilitate the transport of water and nutrients, this not only allowed them to conquer land, but also provided the structural stability that ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results