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Grether, Gregory F. – American Biology Teacher, 2021
Evolution by natural selection is key to understanding life and of considerable practical importance in public health, medicine, biotechnology, and agriculture. "The Next Generation Science Standards" (NGSS) include natural selection among several evolutionary concepts that all third-graders should know. This article explores a novel…
Descriptors: Biology, Science Instruction, Scientific Concepts, Genetics
Forbes, Cory T.; Cisterna, Dante; Bhattacharya, Devarati; Roy, Ranu – American Biology Teacher, 2019
Learning about heredity is important across the K-12 continuum. However, these ideas may be challenging for students. We examined third-grade students' ideas about heredity in the context of a new, six-week, model-based science unit that uses corn as a model organism to support students' ideas about heredity. We analyzed data collected during…
Descriptors: Elementary School Students, Student Attitudes, Science Instruction, Units of Study