D. What is "exponential increase" and "logistics growth" in populations?
E. What is "environmental resistance" and "reproductive strategy?"
F. What is "density dependent / density independent" and "critical number?
G. What is a "keystone species?
H. What are "selective pressures" and how do they relate to the survival / adaptation of species?
I. How do human values impact ecosystem sustainability?
J. What are three challenges to the future sustainability of ecosystems?