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Direct linkAlred, Ashley R.; Doherty, Jennifer H.; Hartley, Laurel M.; Harris, Cornelia B.; Dauer, Jenny M. – International Journal of Science Education, 2019
An understanding of biological variation is important for understanding ecological interactions, ecosystem function, and species' response to environmental change. Biological variation is essential to species survival because natural selection acts upon the phenotypic variation within a population: the more varied the population's genetic…
Descriptors: Elementary School Students, Secondary School Students, Knowledge Level, Scientific Concepts
Price, Rebecca M.; Andrews, Tessa C.; McElhinny, Teresa L.; Mead, Louise S.; Abraham, Joel K.; Thanukos, Anna; Perez, Kathryn E. – CBE - Life Sciences Education, 2014
Understanding genetic drift is crucial for a comprehensive understanding of biology, yet it is difficult to learn because it combines the conceptual challenges of both evolution and randomness. To help assess strategies for teaching genetic drift, we have developed and evaluated the Genetic Drift Inventory (GeDI), a concept inventory that measures…
Descriptors: Genetics, Evolution, Biology, Higher Education
