#Question id: 11498
#Unit 7. System Physiology – Animal
Pain receptors in the skin are typically classified as which of the following?
#Question id: 18954
#Unit 13. Methods in Biology
#Question id: 9213
#Unit 9. Diversity of Life Forms
Suppose you attend a town meeting at which some experts tell the audience that they have performed a cost-benefit analysis of a proposed transit system that would probably reduce overall air pollution and fossil fuel consumption. The analysis, however, reveals that ticket prices will not cover the cost of operating the system when fuel, wages, and equipment are taken into account. As a biologist, you know that if ecosystem services had been included in the analysis, the experts might have arrived at a different answer. Why are ecosystem services rarely included in economic analyses?
#Question id: 7046
#Unit 5. Developmental Biology
A group of undifferentiated progenitor cells that form in some organisms at the site of an amputation;
#Question id: 33279
#Unit 2. Cellular Organization