Answer the following questions/statements (each number should have a response):


1: What is a cladogram? How does each branch relate to other organisms on the tree?


2: Look at the diagram below. Which animals are most closely related? Which animals are least closely related? Explain your answer.


3: What does the sequence of amino acids tell you about an organism and its relationship to another? Would they be similar or different? Why?


4: Give an example of an amino acid sequence using any 4 amino acids that you want.


5: How does DNA sequencing help an evolutionary biologist?


6: What is the difference between homologous and analogous structures? Provide an example of each.


7: Explain how the placement of fossils in sedimentary rocks can determine the age of the organisms in different levels.