Comparative Anatomy Concepts & Premises. Note Set 1 Chapters 1 & 2. Phylogeny. Historical relationship between organisms or lineages Ancestry shown by phylogenetic tree Phylogenetic Systematics - shows relationships from past to present Shows evolutionary relationships. Figure 2.1.
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Note Set 1
Chapters 1 & 2
Figure 2.5 - (Left) larval state salamander with external, feathery gills; (Center) adult salamander that lost gills; (Right) adult axolotl salamander retains juvenile external gills.
Figure 2.6: Natural selection pressures on the wolf may have lead to the formation of a new species, the domestic dog. The prehistoric adult dog skull (center) can be compared to the adult wolf skull (left) and particularly the juvenile wolf skull (right).
Figure 2.7: Somite formation in 4 week old embryo.
(e.g., human appendix, fruit fly wings,
python leg spurs)
Figure 2.8: Ball python spurs.
Figure 2.9: Branching evolution; increased diversity.
Figure 2.10: Larval form of sea squirt.
Figure 2.11: Lamprey larval structures.
Figure 2.12: Adult sea squirt.
Figure 2.13: Adult sea squirt structures (see book figure 3.4).
Figure 2.1- http://www.erin.utoronto.ca/~w3bio356/lectures/early_amniote.html
Figure 2.2- http://courses.lib.odu.edu/biology/kcarpent/less10nte.html
Figure 2.3- Kardong, K. Vertebrates: Comparative Anatomy, Function, Evolution. McGraw Hill, 2002.
Figure 2.4- http://anthro.palomar.edu/animal/animal_2.htm
Figure 2.5- http://evolution.berkeley.edu/evosite/evo101/IIIC6dDevochange2.shtml
Figure 2.6- Morey, Darcy F. The Early Evolution of the Domestic Dog. American Scientist, Vol. 82, No. 4, p342.
Figure 2.7- http://www.sciencemuseum.org.uk/exhibitions/lifecycle/12.asp
Figure 2.8- http://www.edwardtbabinski.us/articles/snake_vestigial_limb.html
Figure 2.9- http://anthro.palomar.edu/animal/animal_1.htm
Figure 2.10- http://www.umanitoba.ca/faculties/science/biological_sciences/lab13/biolab13_3.html
Figure 2.11- http://cas.bellarmine.edu/tietjen/images/agnaths.htm
Figure 2.12- http://www8.nos.noaa.gov/coris_glossary/index.aspx?letter=a
Figure 2.13- http://www.auburn.edu/academic/classes/zy/0301/Topic3/Topic3.html