目录 TPO 30 Passage 1 Role of Play in Development Passage 2 The Pace of Evolutionary Change Passage 3 The Invention of the Mechanical Clock TPO 31 Passage 1 Speciation in Geographically Isolated Populations Passage 2 Early Childhood Education Passage 3 Savanna Foemation TPO 32 Passage 1 Plant Colonization Passage 2 Siam, 1851?D1910 Passage 3 Distributions of Tropical Bee Colonies TPO 33 Passage 1 The First Civilizations Passage 2 Railroad and Commercial Agriculture in Nineteenth-century United States Passage 3 Extinction Episodes of the Past TPO 34 Passage 1 Islamic Art and the Book Passage 2 The Development of Steam Power Passage 3 Protection of Plants by Insects TPO 35 Passage 1 Earth’s Age Passage 2 The Development of Social Complexity Passage 3 Seasonal Succession in Phytoplankton TPO 36 Passage 1 Soil Formation Passage 2 Early Ideas About Deep-sea Biology Passage 3 Industrial Melanism: the Case of the Peppered Moth TPO 37 Passage 1 Thales and the Milesians Passage 2 Direct Species Translocation Passage 3 Modern Architecture in the United States TPO 38 Passage 1 Microscopes Passage 2 The Raccoons’s Success Passage 3 Transgenic Plants TPO 39 Passage 1 Early Writing Systems Passage 2 The Extinction of Moa Passage 3 Forest Fire Suppression TPO 40 Passage 1 Ancient Athens Passage 2 Latitude and Biodiversity Passage 3 Amphibian Thermoregulation TPO 41 Passage 1 Navajo Art Passage 2 Climate of Venus Passage 3 Trade and Early State Formation TPO 42 Passage 1 Geographic Isolation of Species
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