plant evolution
... PLANT EVOLUTION
Chapter Outline
IMPACTS, ISSUES: BEGINNINGS AND ENDINGS
21.1 EVOLUTIONARY TRENDS AMONG PLANTS
From Haploid to Diploid Dominance
Roots, Stems, and Leaves
Pollen and Seeds
21.2 THE BRYOPHYTES—NO VASCULAR TISSUES
21.3 SEEDLESS VASCULAR PLANTS
Club Mosses and Spike Mosses
Whisk ...