<p>Relationship QUIZ</p><p>13. Which of the following is an example of predation:</p><p> a. Two male lions fighting for dominance of a pride. b. The goby fish warning a shrimp about danger so that they both retreat to the burrow the shrimp maintains. c. A roundworm living inside a dog and producing eggs which then get distributed to the environment through the dog’s feces. d. A fox hunting and eating a rabbit for food.</p><p>14. At which point on the graph is the population experiencing exponential growth?</p><p> a. I</p><p> b. II</p><p> c. III</p><p>15. At which point on the curve has the</p><p> population reached the carrying capacity </p><p> or the maximum population density for its</p><p> environment? </p><p> a. A</p><p> b. B</p><p>16. The obvious relationship demonstrated by a food chain is:</p><p> a. Commensalism</p><p> b. Predation</p><p> c. Mutualism</p><p> d. Parasitism</p><p>17. Which of the following best describes what is happening at time 1 on the graph above?</p><p> a. The decreasing predator population is allowing for an increase in the prey population. b. The increasing prey population is causing a decrease in the predator population. c. The decreasing prey population is allowing for an increasing predator population. d. The increasing predator population is causing a decrease in the prey population.</p><p>18. The graph below shows that changes in two populations of herbivores in a grassy field. A possible reason for these changes is that</p><p>A. all of the plant populations in this habitat decreased B. population B competed more successfully for food than population A did C. population A produced more offspring than population B did D. population A consumed the members of population B </p><p>19. Predation is a positive benefit to the population of prey organisms because it tends to keep them below their ______.</p><p> a. trophic level b. carrying capacity c. competition level d. exponential growth</p><p>20. </p>