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Material Detail

Clip Birds

Clip Birds

The classic bird beak activity usually involves having students attempt to pick up various objects with a wide variety of “beaks,” including scissors, spoons, etc. This traditional approach demonstrates competition in an ecological sense, but does not clearly demonstrate variation within a population, which is central to evolution. In the Clipbirds activity the “beaks” are all the same, except for size. The proportion of big-, medium-, and small-beaked birds changes in response to the available types of food.
Keywords:
inherited characteristic, adaptive, advantage, evolution, competition, speciation
Disciplines:
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More about this material

Material Type:
Presentation
Date Added to MERLOT:
September 3, 2008
Date Modified in MERLOT:
September 3, 2008
Authors:
Submitter:
Kelly Sullivan
Asian American, Native American, Pacific Islander Serving Institution Hispanic Serving Institution
Primary Audience:
High School
Technical Format:
PDF
Mobile Compatibility:
Not specified at this time
Language:
English
Cost Involved:
Yes
Source Code Available:
No
Creative Commons:
No

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