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Overview: In this reading-, writing-, and discussion-based activity, students learn about how changes in the environment can influence the phenotype of organisms. More specifically, students will be investigating the concept of a mismatch disease and how it relates to many present human phenotypes that are no longer beneficial. Author/Source: BiteScis Grade level: 9-12 Time: 50 minutes Concepts: Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details. - There is a fit between organisms and their environments, though not always a perfect fit. (LS4.C)
- Depending on environmental conditions, inherited characteristics may be advantageous, neutral, or detrimental.
- A hallmark of science is exposing ideas to testing. (P3, P4, P6, P7)
- Scientists can test ideas about events and processes long past, very distant, and not directly observable.
- Scientific knowledge is open to question and revision as we come up with new ideas and discover new evidence. (P4, P6, NOS3)
- Our knowledge of the evolution of living things is always being refined as we gather more evidence.
- As with other scientific disciplines, evolutionary biology has applications that factor into everyday life.
- There is a fit between the form of a trait and its function, though not always a perfect fit.
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