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Aim: How does comparative biochemistry provide evidence for evolution?

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2 MB|18 pages
Product Description
This lesson teaches students about biochemical tests, and about how they provide evidence for evolution. They will also discover how molecular evidence sometimes provides unexpected results for evolutionary relationships. The guided notes portion of the lesson goes along with the powerpoint. Sheets provide blank lines for students to fill in missing notes and to answer questions during the lesson. Students are asked to make a phylogenetic tree for four organisms (a camel, a pig, a whale, and a hippopotamus) based on physical features alone. They then examine a DNA test (in the form of a gel electrophoresis test) and an amino acid chain test comparing the four species. Afterwards, they are again asked to create a phylogenetic tree, this time using molecular evidence.

Zip file contains: 1.Powerpoint 2.PDF, to guarantee formatting and for easy printing, 3.Word document, to make it easier to edit.
Document is 100% my original.

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Total Pages
Answer Key
Not Included
Teaching Duration
45 minutes
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Grace Pokela




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