CONTENIDO: About plant biology. -- The chemistry of life. -- The plant cell and the cell cycle. -- The organization of the plant body: cells, tissues, and meristems. -- The shoot system I: the stem. -- The shoot system II: the form and structure of leaves. -- The root system. -- Concepts of metabolism. -- Respiration. -- Photosynthesis. -- Absorption and transport systems. -- Life cicles: meiosis and the alternation of generations. -- The flower and sexual reproduction. -- Seeds and fruits. -- Control of growth and development. -- Genetics. -- Biotechnology. -- Evolution and systematics. -- Archae, bacteria, and viruses. -- Kingdom Fungi. -- The protist. -- Bryophytes. -- The early tracheophytes. -- gymnosperms. -- Angiosperms. -- Ecology, ecosystems, and plant populations. -- Ecology and plant communities.