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All in the Family

This is a flash-based tutorial on the PBS site that shows how morphological characters are used to build an evolutionary tree, and how this can lead to surprising results, such as tunicates being closer to humans than sponges, despite the seeming similarity of tunicates to sponges. Two other examples used are porpoise, shark, and wolf; and bear, opossum, and raccoon.... Show More
Keywords:
primitive traits, tree, derived traits, outgroup, tree of life
Disciplines:
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More about this material

Material Type:
Tutorial
Date Added to MERLOT:
July 24, 2008
Date Modified in MERLOT:
May 26, 2017
Author:
Unknown (Know the author?)
Submitter:
Jeff Bell
Hispanic Serving Institution
Primary Audience:
High School, College General Ed, College Lower Division
Technical Format:
Website, Flash
Mobile Compatibility:
Not specified at this time
Language:
English
Cost Involved:
No
Source Code Available:
No
Accessibility Information Available:
Unknown
Creative Commons:
No

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