Objective: The purpose of this activity is to explore the concept of cladograms and how they...
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Objective: The purpose of this activity is to explore the concept of cladograms and how they help visualize evolutionary relationships between organisms. Background: Cladograms are tools that biologists use to visualize evolutionary relationships. The way that they show evolutionary relationships is by branching when two organisms differ from each other in some way. whether that be anatomical, behavioral, functional, or molecular. Admittedly, they can get to be quite complex and confusing. In order to simplify the concept, we will be working with cladograms revolving around the invention of the telephone. The following cladograms will deal with the history of telephones from the first phones to today's modern cell phones. 1. First, we will consider the simple cladogram below, which shows the relationship between different types of cell phones. Standard Full Keypad Keypad Touch Screen Feature Standard Keypad Standard Screen Full Keypad Touch Screen Phone A Phone B X X X X c. In your own words, what does a cladogram show? How? Phone C X X a. Looking at the above cladogram, which phone is closest in relationship to Phone C? Why? b. Charts, like the one shown above, are sometimes used to help put cladograms together. The chart shows what features each organism, or phone in this case, has in common or how they differ. What is/are the difference(s) between Phone A and Phone C? Objective: The purpose of this activity is to explore the concept of cladograms and how they help visualize evolutionary relationships between organisms. Background: Cladograms are tools that biologists use to visualize evolutionary relationships. The way that they show evolutionary relationships is by branching when two organisms differ from each other in some way. whether that be anatomical, behavioral, functional, or molecular. Admittedly, they can get to be quite complex and confusing. In order to simplify the concept, we will be working with cladograms revolving around the invention of the telephone. The following cladograms will deal with the history of telephones from the first phones to today's modern cell phones. 1. First, we will consider the simple cladogram below, which shows the relationship between different types of cell phones. Standard Full Keypad Keypad Touch Screen Feature Standard Keypad Standard Screen Full Keypad Touch Screen Phone A Phone B X X X X c. In your own words, what does a cladogram show? How? Phone C X X a. Looking at the above cladogram, which phone is closest in relationship to Phone C? Why? b. Charts, like the one shown above, are sometimes used to help put cladograms together. The chart shows what features each organism, or phone in this case, has in common or how they differ. What is/are the difference(s) between Phone A and Phone C?
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Contemporary Human Resource Management Text and Cases
ISBN: 978-1292088242
5th edition
Authors: Tom Redman, Adrian Wilkinson, Tony Dundon
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