Which structure is also called the windpipe

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases

What is the difference between a scientific hypotheses and a scientific theory?

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.