END-OF-CHAPTER QUESTIONS 1. (a) Considering the steps in the scientific process summarized in the
Appendix, how did the scientific process initially struggle in the
vaccine-autism controversy? (b) How did the scientific process
succeed?).

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.