Butterflies In The Amazon - This (along with so many innumerable reasons) is why the rain forests are so important. We are destroying so much of our world that we could lose things like this in our lifetime. That's too fast for the Earth to compensate.
After teaching my students the different levels of the rainforest I would have them match which section goes with which. I can incorporate Life Science in this section because some animals can fly while others cannot. What is gravity then?