Physiologist: ____________________________________ Period: _______ Date: ____________ AP Bio Physiology Review 11. Which choice best describes a reasonable evolutionary mechanism for animal structures becoming better suited to specific functions? a. Animals that eat the most food become the most abundant. b. Animals that restrict their food intake will become less abundant. c. Animals with mutations that give rise to effective structures will become more abundant. d. Animals with inventions that curtail reproduction will become more abundant. e. Animals with parents that continually improve their offspring's structures will become more abundant. 2. To increase the effectiveness of exchange surfaces in the lungs and in the intestines, evolutionary pressures have 3. Positive feedback has occurred when The following questions refer to Figure 40.1.4. What does the difference in temperature between arteries and veins in the goose's legs indicate?
This preview has intentionally blurred sections.
Sign up to view the full version.