BIO 322 Final Exam Questions and Complete Answers

In this example, describe the relationship between the abundance of birds and horseshoe crab eggs: A. A decline in crab eggs causes a decline in the number of birds. B. A decline in the number of birds causes a decline in the number of crab eggs. C. Causation between birds and crab eggs cannot be determined from these data. D. Either A or B is correct. C. Causation between birds and crab eggs cannot be determined from these data. Based on this graph, which of the below are potential solutions to increase food supply? A. Increase land area devoted to agriculture. B. Increase the average yield (tons of food per hectare). C. Increase aquaculture farming in the oceans. D. A and B D. A and B Green Revolution technologies are responsible for: A. Increasing Earth's carrying capacity for humans B. Synthetic pesticide production. C. Synthetic fertilizer production. D. Development of high-yielding crop varieties. E. B, C, and D. F. All of the above. F. All of the above. In streams and lakes, algae: A. Is a food source for organisms. B. Consumes O2, causing water to become anoxic. C. Produces O2. D. Grows in response to nitrogen and phosphorus. E. A, B, and D. F. A, C, and D. G. All of the above. F. A, C, and D. Which of the following is true about organically vs. conventionally grown food? A. Organic products are often more expensive. B. Organic food likely has a lower carbon footprint. C. Organic food likely has a lower nitrogen footprint. D. Organic certification allows limited genetic modification (transgenic technology). E. A and B. F. All of the above. E. A and B.