THE SCOTT ARBORETUM OF SWARTHMORE COLLEGE

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Evolution Course (Biol 34) Podcast

Listen as several Swarthmore College students enrolled in the Biology 34 (Evolution) Course describe the evolutionary process of a variety of plants here at the Scott Arboretum. Professor Colin Purrington organized this cell phone audio tour to enlighten visitors of the complex and interesting world of plants.

This tour can be identified in the garden by the signs seen here.

 

Click the speaker image to hear commentary from your browser. Right click (CTRL + Click for Mac) to save the link as a wav file to be used on your MP3 player or ipod.

Prompt Title and Number

Click to Listen or Download wav file

35 # Evolution of leaf color change
36# Evolution of oak-fungus symbiosis

37# Evolution of pneumatic spore dispersal in mosses

38# Evolution of dog roses
39# Evolution of cacti
40# Evolution of self-incompatibility in canoe birch
41# Evolution of cyanide-toxicity in clover
42# Co-evolution of grass and toxic fungi
43# Origins of land plants
44# Evolution of pendulous branches
45# Evolution of lichens
46# Evoluntion of bamboos
47# Evolution of English ivy
48# Adaptive significance of catnip odor
49# Evolution of tendril-climbing plants
50# Co-evolution of oaks and squirrels
51# Evolution of beetle pollination in magnolia