9.The relationship between flowering plants and bees is best described as
10. Sympatric speciation occurs
11.Which of the following produces adaptions?12. All of these mechanisms can result in evolution, but only one is drive by natural environmental constraints and leads to adaption. Which one?
13. Which one of the following best represents disruptive selection?
14. Consider elephants. The are large, and they live for a long time. They are considered a keystone species. They have only one offspring at a time, and they expand a lot of energy caring for their young? These characteristics suggest that elephants should be be classified?
15. What does “endemic” mean?
16.How would an ecosystem ecologist figure out the location of the boundaries of the system that he or she is studying?