Assignment 5 key - Assignment#5 Use the assigned readings...

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Assignment #5 Use the assigned readings Chapter 4 in your text and your lecture notes to address the following topics: Define the following terms: Phylogeny: an evolutionary tree indicating relatedness and divergence of taxonomic groups; a hypothesis of evolutionary relationships among organisms Taxonomy: The study of biological classification Analogous characters: traits shared between organisms which are similar due to convergent evolution rather than a common descent (e.g. wing of bird and wing of bat) Homologous characters : traits shared between organisms which are similar due to a common descent (e.g. dental formula of 2123/2123 on humans and on baboons) Ancestral characters: homologous traits that appear early in the evolution of a lineage (e.g. grasping hands with opposable thumbs in all primates) which are useful for looking at the traits of a common ancestor Derived characters: homologous traits that appear later in the evolutionary lineage (e.g. y-5 molar
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