a modular approach Cadiz, Arlon P. creator Macasil, Trinidad D. text xxu Manila Mindshapers Co., Inc. c2015 monographic eng

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x, 226 pages : illustrations ; 25 cm. Contents: Spheres of the earth. -- Introduction to ecology. -- Ecosystem and the levels of organization. -- Biotic and abiotic factors. -- Distribution of living things/biomes. -- Population and its characteristics. -- Community roles and habitat. -- Food chain and food web. -- Ecological pyramid. -- Energy in the ecosystem: laws of thermodynamics. -- Energy transformation. -- Biogeochemical cycles. -- Forests in the Philippines and their importance. -- Roots and effects of deforestation in the Philippines. -- Environmental laws in the Philippines. -- Conservation. -- Philippine biodiversity. -- Pollutions. -- Methods of waste disposal. -- Greenhouse effect and global warming: basic concepts. -- El niño. -- Human population growth. Arlon P. Cadiz and Trinidad D. Macasil. Includes appendices and bibliography. Enviromental sciences 9786214060481 161228 20260212145345.0