Botany
What is a plant ? 4
Plants share many characteristics with other organisms ➢ Take in and use energy. ➢ Consist of a single cell or many cells. ➢ Reproduce. ➢ Respond to the environment in which they live. ➢ Share parts of a common ancestry and have coevolved with other organisms. 5
The term "botany" comes from the Ancient Greek word βοτάνη (botanē) meaning "pasture", "grass", or "fodder"; βοτάνη is in turn derived from βόσκειν (boskein), "to feed" or "to graze
2 Kingdom system Plantae Animalia (Carolus Linnaeus,1707-1778) Protista 3 Kingdom system (Haeckel, 1866) Fungi 4 Kingdom system (Whittake, 1959) Monera 5 Kingdom system (Whittake, 1969) Vira 6 Kingdom system (Chen shixiang, in the 1970s )
Background Biologists have long organized living things into large groups called kingdoms
Bacteria & Archaebacteria Prokaryote Eukaryote Kingdom system Prokaryotes No separate organelles in their cells ➢Bacteria ➢Archaebacteria Eukaryotes Separate organelles in their cells Protists Plants Fungi Animals