It's nice to find high quality upper-level material on TPT. Thanks for this submission. One suggestion is to switch your free sample to the Dispersal, Colonization and Invasion worksheet. Your material involves a significant amount of upper level math and that particular worksheet seems a better representation of this. Thanks again. Saved me a lot of time.
One of my products was linked to your Biogeography Ecology Worksheet page in the newsletter this week. If you get any questions about it, here's the link: