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Teaching materials:
Teaching materials database
Found 10 resources for the concept: There is a fit between the form of a trait and its function, though not always a perfect fit
 | The Missing Link
The setting for this case study is a paleontological dig in East Africa, where an undergraduate student has unearthed part of what appears to be an ancestral human skull. Students read the story and then examine a number of primate skulls. They are asked to build a phylogeny based on their observations.
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 | Artificially Selecting Dogs
Students learn how artificial selection can be used to develop new dog breeds with characteristics that make the dogs capable of performing a desirable task.
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 | Eye Evolution
This worksheet guides students through an interactive online module entitled Why the Eye? on the Understanding Evolution website. Students gain a better understanding of the different types of animal eyes and how natural selection can account for the evolution of a complex organ.
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 | Why the eye?
Eyes are something of an icon of evolution. How did such an integrated, multi-part adaptation evolve? While many different animals have complex eyes, untangling their evolutionary history reveals both remarkable diversity and surprising similarity.
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 | Evolution connection: Photosynthesis 1
This short slide set explains the existence of photorespiration using evolutionary history. Save the slide set to your computer to view the explanation and notes that go along with each slide.
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 | Toxin resistance in clams
This case study in the form of a set of PowerPoint slides examines the evolution of toxin resistance in clams.
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