The table shows some observations made by four students during a field trip to a nature area. which student observed the area that has the greatest biodiversity? * student 1 student 2 student 3 student 4 think globally, act locally! this is an expression that has been applied to many ecological problems, such as global warming (global climate change), air pollution, and recycling. describe how various organisms are part of that biochemical cycle and explain how they recycle that substance in the ecosystem and biosphere. * provide one example of how human activity has impacted your chosen biochemical cycle. discuss one step we can take to reduce harmful human impact on the ecosystem. *