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Zoology 8th Edition by Stephen Miller,John Harley
Edition 8ISBN: 978-0073028200Zoology 8th Edition by Stephen Miller,John Harley
Edition 8ISBN: 978-0073028200 Exercise 7
Construct a cladogram, similar to that shown in figure 7.6, using your hypothetical animals from questions 2 and 3. Make drawings of your animals.
Figure 7.6
Cladogram Showing Vertebrate Phylogeny. A cladogram is constructed by identifying points at which two groups diverged. Animals that share a branching point are included in the same taxon. Notice that timescales are not given or implied. The relative abundance of taxa is also not shown. Notice that this diagram shows the birds and crocodilians sharing a common branch, and that these two groups are more closely related to each other than either is to any other group of animals. Brackets at the top of the cladogram illustrate hierarchical nesting. Each higher bracket includes the brackets below it.
question 3
Describe hypothetical synapomorphies that would result in an assemblage of one order and two families (in addition to the three genera and six species from question 2).
question 2
Give proper scientific names to six hypothetical animal species. Assume that you have three different genera represented in your group of six. Be sure your format for writing scientific names is correct.
Figure 7.6
Cladogram Showing Vertebrate Phylogeny. A cladogram is constructed by identifying points at which two groups diverged. Animals that share a branching point are included in the same taxon. Notice that timescales are not given or implied. The relative abundance of taxa is also not shown. Notice that this diagram shows the birds and crocodilians sharing a common branch, and that these two groups are more closely related to each other than either is to any other group of animals. Brackets at the top of the cladogram illustrate hierarchical nesting. Each higher bracket includes the brackets below it.
question 3
Describe hypothetical synapomorphies that would result in an assemblage of one order and two families (in addition to the three genera and six species from question 2).
question 2
Give proper scientific names to six hypothetical animal species. Assume that you have three different genera represented in your group of six. Be sure your format for writing scientific names is correct.
Explanation
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Zoology 8th Edition by Stephen Miller,John Harley
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