Bio Lab Wksht & HW Questions 21

Bio Lab Wksht & HW Questions 21 - • Glandular...

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16 2. Close the “Cladisticules file by selecting “Quit” in the FILE menu. DO NOT SAVE THE CURRENT TREE. 3. Open the file called “Vertebrates”, and construct a phylogenetic tree in the same way as you did for the “Cladisticules” data set. Note the starting tree length and CI. 4. Complete the table on the following page. Use your tree to find monophyletic groups including 2, 4, 5, 7 and 9 taxa. You should be able to find at least one group that is defined by two or more characters. 5. Close the “Vertebrate” file by selecting “Quit” in the FILE menu. DO NOT SAVE THE CURRENT TREE. Notes on terms used in Vertebrate phylogeny: Cranium is the skull or braincase. Carpals and tarsals are bones in the ankles and feet. Amniotic membranes protect eggs laid on land from desiccation. Diapsids have two large holes in the sides of the skull for jaw muscles to pass through.
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Unformatted text preview: • Glandular skin in amphibians often secretes poisons that deter predators. • Fenestra is an opening in the skull. • Warm-blooded animals (endotherms) generate most of their heat internally. References Campbell, N.A. and J. B. Reece. 2005. Biology. 7th ed. Benjamin Cummings: San Francisco, CA. Cunningham, W.P. and B. W. Saigo. 2001. Environmental Science: A Global Concern. 6th ed. McGraw Hill: New York, NY Mischler, B. 2005. Building the Tree of Life. National meeting of the Botanical Society of America, Austin, TX Pough, FH, CM Janis, and JB Heiser. 1999. Vertebrate Life. 5th Ed. Prentice Hall, Upper Saddle River, NJ. If you are interested, check out the “Tree of Life web project” at the following URL:
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This note was uploaded on 12/27/2011 for the course BSC 1020 taught by Professor Danmoon during the Fall '11 term at UNF.

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