cells

DNA showing unravelling strands.  Pen and ink diagram.

Animal cell which is dissected to show key organelles and the nucleus.  Pen and ink diagram. Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books)

Vascular vs non vasular plants diagram including information on the cross section of a flower and a detail of a moss sporophyte and gametophyte and cross sections on a cellular level of a moss and a harebell stem