I changed and shortened the original module substantially so that the activity could fit within a single class session. The students in my class were already collecting their own phenological observations in an effort to contrast the phenology of invasive vs. native understory shrubs, so they were familiar with the general importance of studying phenology. I particularly wanted to use this module to (1) illustrate the potential ecological responses of organisms to climate change, (2) show that different species may have different responses, and (3) practice manipulating, graphing, and analyzing data. I provided two greatly reduced data sets compared to the original that included a file with flowering time and temperature for three focal species (2 natives and and invasive) and another file with average temperature and year.
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