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| − | '''''Note:''' These study questions are not comprehensive. They are meant to
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| − | ''supplement your lecture notes as you review them, and alert you to the ways in which you should be thinking about
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| − | ''the material, and formulate questions to test yourself. Exams will NOT be limited to the material highlighted in these
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| − | ''questions, or their formats, so your lecture notes and handouts should be your primary reference.''
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| − | ==Lecture 1 (31 August 2010)==
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| − | 1. What are the reasons for studying a particular group of organisms such as vertebrates?
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| − | 2. List the basic functions of living organisms. Provide a vertebrate example for each.
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| − | 3. What is a mechanical constraint? Explain it in terms of one of the three examples (e.g., lizards, Darwin's finches, ''Hydromantes'' salamanders) discussed in lecture.<br>
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| − | 4. Why weren't the ancestors of lizards subject to the same constraint? How have some lizard relatives escaped from this constraint?
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| − | ==Lecture 2 (2 September 2010)==
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| − | 1. Hydromantes salamanders have a high performance, ballistic tongue. What two trade-offs have allowed for this?
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| − | 2. What is a "monophyletic lineage"? Draw the vertebrate phylogeny and label all major monophyletic groups discussed in lecture.
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| − | 3. Which major taxonomic group of vertebrates is the most speciose? The least?
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| − | 4. What vertebrates belong in the monophyletic lineage Lepidosauria? Synapsida? Actinopterygii?
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| − | 5. What are the five major deuterostome lineages? Provide a representative from each lineage.
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| − | 6. Briefly discuss the controversy surrounding Xenoturbella. Most recent studies suggest this organism belongs in what taxonomic group?
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| − | ''*Please refer to the Phylogeny Tutorial and Practice Tree Quiz for additional help with phylogenetic trees*''
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| − | ==Lecture 25==
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| − | 1. Describe some characteristics of the Ungulata, including diversity, distribution, a key synapomorphy, and examples of representative groups/ species.
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| − | 2. Describe the differences among plantigrade, digitigrade, and unguligrade foot postures, representative mammals possessing each type, and how they affect locomotion.
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| − | 3. Describe two important mass extinction events, in terms of when they took place, percentage of taxa that were affected, and what might have caused them.
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| − | ==Lecture 26==
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| − | 1. Explain what evidence there is to suggest that humans are accelerating the rate of the current extinction event
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| − | 2. What is the background extinction rate from the fossil record, and what is it from historic time?
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| − | 3. How many species of each birds, mollusks, and plants have gone extinct in the past 400 years? What percentage of freshwater fish has either gone extinct or is endangered of extinction?
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| − | 4. List the major threats to vertebrate diversity. What is the single, most important threat? Describe a specific example of habitat loss and over-hunting, and a combination of the two, in terms of their impacts.
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| − | 5. What is the controversy over climate change about, specifically? What is it not about? What are some implications of a 1-3 degree C increase in global temperature?
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| − | [http://hydrodictyon.eeb.uconn.edu/eebedia/index.php/Biology_of_the_Vertebrates Return to main EEB2214 page] | + | |
