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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
Herrmann, Patricia A.; French, Jason A.; DeHart, Ganie B.; Rosengren, Karl S. – Merrill-Palmer Quarterly: Journal of Developmental Psychology, 2013
Biological kinds undergo a variety of changes during their life span, and these changes vary in degree by organism. Understanding that an organism, such as a caterpillar, maintains category identity over its life span despite dramatic changes is a key concept in biological reasoning. At present, we know little about the developmental trajectory of…
Descriptors: Logical Thinking, Knowledge Level, Age Differences, Biology
Bahret, Mary Jean; And Others – 1982
Objectives, topics/understandings to be taught, and teachers notes are provided for the seven units in this Regents biology syllabus. Units and major topic areas include: (1) unity and diversity among living things (concept of life, diversity/unity of life); (2) maintenance in living things (nutrition, transport, respiration, excretion,…
Descriptors: Biology, Course Content, Course Descriptions, Ecology
