Intro Bio 151 Discussion Homework; week of 9/28-10/2 Name: Josh Litwicki INSTRUCTIONS: Some portion of the discussion homework will be collected and graded this week. Most of these questions can be answered in 1-2 short sentences. Make sure your answers are in your own words (paraphrase), and cite any sources you use (other than your textbook). Please type your answers! 1. What is parsimony, and how does it apply to evolution? Parsimony means the likeliness of something. The more parsimonious something is the more likely something is/has going to happen. 2. What characteristics/traits provide evidence that LUCA was a prokaryote? Life is more parsimonious to have evolved from prokaryotes because it is easier for one transition into eukaryotes than two transitions from eukaryotes to prokaryotes. 3.
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