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Kelley, Amanda L.; Hanson, Paul R.; Kelley, Stephanie A. – American Biology Teacher, 2015
Ocean acidification, a product of CO[subscript 2] absorption by the world's oceans, is largely driven by the anthropogenic combustion of fossil fuels and has already lowered the pH of marine ecosystems. Organisms with calcium carbonate shells and skeletons are especially susceptible to increasing environmental acidity due to reduction in the…
Descriptors: Science Instruction, Climate, Oceanography, Animals
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Wyner, Yael; Becker, Johnathan; Torff, Bruce – American Biology Teacher, 2014
Both the old National Science Education Standards (NSES) and the recent "Next Generation Science Standards" (NGSS) devote significant resources to learning about human environmental impact. Whereas the NSES advocate learning about human environmental impact in a section apart from the science- content learning strands, the NGSS embed…
Descriptors: Science Instruction, Ecology, Secondary School Science, Conservation (Environment)
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Bal, Tara L. – American Biology Teacher, 2014
"Forest health" is an important concept often not covered in tree, forest, insect, or fungal ecology and biology. With minimal, inexpensive equipment, students can investigate and conduct their own forest health survey to assess the percentage of trees with natural or artificial wounds or stress. Insects and diseases in the forest are…
Descriptors: Science Instruction, Scientific Concepts, Forestry, Surveys