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7 why may certain traits over many generations become

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7. Why may certain traits over many generations become vestigial? Explain using an example. 8. How can you tell which organisms are more closely related when looking at embryos at different stages of development?
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Name: ________________________________________________ Period: ____ Date: ___________ 9. How can a scientist tell which species are most closely related when examining the same gene between different species? 10. You can take a gene from a human and insert it into a bacterium and the bacterium will produce the protein coded by the human gene. What does this suggest? 11. How does artificial selection demonstrate evidence of evolution? 12. Why is it important for physicians to not over prescribe antibiotics? 13. Explain how a bacterial population may become resistant to an antibiotic. VI. Taxonomy: Read pages 341-348 1. What is taxonomy? 2. Which individual developed the binomial nomenclature system? 3. Quercus rubra is the scientific name for red oak. When hand writing a scientific name, instead of putting it in italics you should ________________________. 4. Label the following for Quercus rubra: Genus, specific epithet, species name
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Name: ________________________________________________ Period: ____ Date: ___________ 5. Go to the following website and label the following for a human: http://animaldiversity.ummz.umich.edu/ Domain (not listed on the site but you should know it): Kingdom: Phylum: Class: Order: Family: Genus: Species: 6. What is a phylogenetic tree? 7. Circle two clades and label two nodes on the following phylogenetic tree. What do the clades and nodes represent? 8. What is cladistics? What is a derived character?
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Name: ________________________________________________ Period: ____ Date: ___________ 9. How are derived characters used to develop a cladogram? 10. Develop a Venn diagram as well as a cladogram based upon the following derived character chart. Derived Characters Organisms Vascular Tissue Seeds Flowers Mosses Pine Trees yes yes Flowering Plants yes yes yes Ferns yes
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7 Why may certain traits over many generations become...

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