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Lesson summary for:
Investigating Common Descent: Formulating Explanations and Models

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Overview:
Students formulate explanations and models that simulate structural and biochemical data as they investigate the misconception that humans evolved from apes.

Author/Source:
National Academy of Sciences

Grade level:
13-16

Time:
Two class periods.

Concepts:
Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.

  • Present-day species evolved from earlier species; the relatedness of organisms is the result of common ancestry.

  • Similarities among existing organisms (including morphological, developmental, and molecular similarities) reflect common ancestry and provide evidence for evolution.

  • A hallmark of science is exposing ideas to testing.

  • Scientists may explore many different hypotheses to explain their observations.

  • Our understanding of life through time is based upon multiple lines of evidence.

  • Scientists use multiple lines of evidence (including morphological, developmental, and molecular evidence) to infer the relatedness of taxa.

Teacher background:

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