References
Homepage
fennec fox image: http://static.comicvine.com/uploads/original/1/13686/3186565-fennec+fox1.jpg
Arctic and fennec fox page
Arctic
fox: http://images.nationalgeographic.com/wpf/media-live/photos/000/120/cache/arctic-fox-snow_12097_990x742.jpg
Fennec
fox: http://images.nationalgeographic.com/wpf/media-live/photos/000/005/cache/fennec-fox_523_600x450.jpg
Pentadactyl limb page
Bat
in flight: http://graphics8.nytimes.com/images/2008/03/25/science/25bats.xlarge1.jpg
Horse
leg: http://www.newgeology.us/HorseSeries3.gif
Bat
wing: http://scienceblogs.com/tetrapodzoology/wp-content/blogs.dir/471/files/2012/05/i-37b5984c0f093511064aed1f3746a3d9-protobats-3-Smith-1977-Mar-2011-redo.jpg
Respiratory adaptations
DPG
graph llama: http://www.bio.davidson.edu/Courses/anphys/1999/Dickens/hypoxia.htm
Altitude
graph mouse: http://www.bio.davidson.edu/Courses/anphys/1999/Dickens/Deermice.htm
Deer
mouse: http://www.homeshieldxp.com/wp-content/uploads/2012/08/deer-mouse.jpg
Llama:
http://i.huffpost.com/gen/966673/thumbs/o-LLAMA-MACHU-PICCHU-900.jpg?6
fennec fox image: http://static.comicvine.com/uploads/original/1/13686/3186565-fennec+fox1.jpg
Arctic and fennec fox page
Arctic
fox: http://images.nationalgeographic.com/wpf/media-live/photos/000/120/cache/arctic-fox-snow_12097_990x742.jpg
Fennec
fox: http://images.nationalgeographic.com/wpf/media-live/photos/000/005/cache/fennec-fox_523_600x450.jpg
Pentadactyl limb page
Bat
in flight: http://graphics8.nytimes.com/images/2008/03/25/science/25bats.xlarge1.jpg
Horse
leg: http://www.newgeology.us/HorseSeries3.gif
Bat
wing: http://scienceblogs.com/tetrapodzoology/wp-content/blogs.dir/471/files/2012/05/i-37b5984c0f093511064aed1f3746a3d9-protobats-3-Smith-1977-Mar-2011-redo.jpg
Respiratory adaptations
DPG
graph llama: http://www.bio.davidson.edu/Courses/anphys/1999/Dickens/hypoxia.htm
Altitude
graph mouse: http://www.bio.davidson.edu/Courses/anphys/1999/Dickens/Deermice.htm
Deer
mouse: http://www.homeshieldxp.com/wp-content/uploads/2012/08/deer-mouse.jpg
Llama:
http://i.huffpost.com/gen/966673/thumbs/o-LLAMA-MACHU-PICCHU-900.jpg?6