Potential exam question #1:
Ecological systems can be defined in different ways to allow ecologists to study nature from several perspectives. The biotic hierarchy described the five major ecological systems from the most fundamental unit to the unit that encompasses the entire earth. Please describe these five ecological systems.
Potential exam question #2:
What makes an organism autotrophic? Compare this to a heterotroph. What is detritus?
Potential exam question #3:
What is the difference between an ecosystem and a biogeocoenosis?