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15 May 2019

Name two animal organisms that are used in scientific research. To what phyla do these animals belong? Careful--Note that yeast, fungi, and social amoebae are not animals!

What types of discoveries have been advanced using the model organisms that you chose?

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Elin Hessel
Elin HesselLv2
17 May 2019

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7. The things that are True about animal breeding are…(check all that are correct)

___a. animal breeders need to select the parents carefully

___b. breeding can only be done between 2 animals of the same species.

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which phyla lack organs? what type of symmetry do they have?'
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. List and describe 3 synapomorphies for the clade Eukaryota 2. Define clade, homology, synapomorphy, and analogy in your own words. 3. Explain the role of symbiotic associations in the evolution of major eukaryotic organelles. What evidence supports this role? 4. Name and describe an example of a single-celled protozoan from each of the following Eukaryote lineages: Unikonts, Rhizaria, Aveolates, and Excavates (hint – we looked at each of these in lab). 5. Define the term parsimony and explain how it is used in determining evolutionary relationships among organisms. 6. Describe the cytoskeleton of Eukaryotes. What types of proteins does it consist of? What is it used for? 7. Examine Table 1.1 in your textbook. There are just 6 Phyla (not Subphyla) of animals that contain 1% or more of the wrold’s animal species. Which ones are they?

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