Can the Lynx-Hare population cycles be explained by predation? 160 Hare 140 120 100 Lynx 80 60 A. Yes, driven by 40 A 20 predation 1845 1855 1865 1875 1885 1895 1905 1915 1925 1935 B. No, Lynx are just following population cycles of Hares C. Both A and B are good answers Number of pelts (thousands)

Based on the data below, which of the following statements best describes an effect of population density on mice populations: Number of Ave. Ave. Ratio of mice percent of number of male: successful mice per female breeding litter 50 60% 7.2 1:2 148 58% 6.8 1:2 374 57% 6.6 1:2 1700 39% 5.2 1:2 a. Successful breeding decrease as population density decreases. b. the female to male ratio increases a population density decreases O c. Successful breeding decrease as population density increases d. Birthrate decreases as population density increases

stochasticity is a result of I temporal variation in demographic rates O a. demographic O b. environmental and demographic C. sex-bias O d. environmental

If the deer population is decreasing what would you expect to happen to the wolf population? Why?

C 100- 80- % Diet presence absence Catch-effort H ဗုံ Refer to the figure. Gulls increase their consumption of fish in the A Fish abundance B Mussel growth 15 of sea otters. Sea otters Present Absent D Gulls % Diet 60- B 40- F M 20- mm yr¹ Bald eagles B M 10-

A population has 1000 juvenile individuals, 100 young adult individuals, and 10 older adult individuals.  This population is likely…? Group of answer choices a, increasing b. decreasing c. stable d. no way to tell

Answer this correctly and QUICKLY PLS

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Which statement is true about overpopulation? O A. Overpopulation increases resource availability. O B. Overpopulation is linked to decreased disease. C. Overpopulation occurs more frequently in developed areas of the world. D. Overpopulation results in increased waste and environmental pollution. 4 of 10 Answered MacBook Air 딤 FS 담 FA esc F2 # 2$ & 2 3 4 6 7 8 W R Y A S F G H