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Macroevolution: Patterns, Trends, and Rates of Change
http://www.indiana.edu/~ensiweb/lessons/macroev.html
From DLESE Community Collection (DCC)
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In this lesson, students will learn that some evolutionary change is rapid and discontinuous, and some change is gradual; how fossil evidence can provide clues to the past; and how speciation may account for evolutionary branching and diversification. Fossil shells of a land snail are arranged by layers of age into a sequence pattern suggesting gradual change, or punctuated equilibria. Students will develop a graph showing possible phylogenetic relationships over time of the organism. A variation of the lesson plan uses caminalcules in place of fossil shells.
Intended for grade levels:
  • High (9-12)
Type of resource:
  • For the classroom:
    • Lesson plan
Subject:
  • Biology
  • Geological Sciences:
    • Paleontology
Technical requirements:
Adobe Acrobat reader
Cost / Copyright:
No cost
Copyright 1999, Evolution and the Nature of Science Institutes (ENSI). This material may be copied only for noncommercial classroom teaching purposes, and only if this source is clearly cited.
DLESE Catalog ID: DLESE-000-000-004-821
Educational standards:
  • National Science Education Standards (NSES):
    • 9-12:
      • Unifying concepts and processes:
        • Evolution and equilibrium
        • Form and function
      • A - Science as inquiry:
        • Abilities necessary to do scientific inquiry
      • C - Life science:
        • Biological evolution
Resource contact / Creator / Publisher:
Publisher: Evolution and the Nature of Science Institutes
http://www.indiana.edu/~ensiweb/