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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
