Plant Diversity & Structure 1.General Characteristics 2.Major Plant Groups 3.Plant Evolution.
Plant Diversity I. Importance of plants II. Science of Life A. Taxonomic categories B. Species concept C. Domains of life D. Kingdoms of Eukarya E. Viruses.
Plant Evolution. The Plant Kingdom Nearly all are multicelled Vast majority are photoautotrophs –Energy from sun –Carbon dioxide from air –Minerals dissolved.
Garden Botany. Definitions Botany is the science or study of plants Horticulture is the science and art of cultivating flowers, fruits, vegetables, grass,
History of Life On Earth. 1) Geological Time Scale 2) Major Episodes in History of Life 3) Extinctions and Radiations Today’s OUTLINE:
Plant Evolution. Introduction to the Green Plants Land plants first appeared in the Ordovician (~460 million years ago) Today, with more than 250,000.
Plant Evolution Evolved from green algae (450 mya) –B–Both have chlorophyll, store energy as starch, DNA similarities Green algae ancestor –M–Multicellular.
