Question

ECOLOGY

1001 60-64 55-591 Questions 17 - 21 are based on the graph to the right. This graph describes the age structure of a population 95.00 17. The fraction of the youngest age class is 90-041 a. The largest in the population 85-8 b. 80-841 The smallest in the population 75-79 Larger than that of middle age classes (30 - 60 70-74 65.00 years old) d. Smaller than that of middle age classes (30 - 60 50-541 years old) 45-49 18. The fraction of old (>80) females is 40-44 35-39 a. Larger than the fraction of old males 30-34 b. Equal to the fraction of old males 25-29 20-241 C. Smaller than the fraction of old males 15.191 19. What does it mean 10.14 5 a. That females have higher longevity b. That males have higher longevity c. That females have higher fecundity d. That males have higher fecundity e. That males and females have the same longevity Male 20. What does it indicate regarding the general age of the population a. It is a relatively young population b. It is a relatively middle-aged population C. It is a relatively old population 21. What does it suggest regarding the growth pattern of the population a. Population grows exponentially b. Population stable c. Population is declining 04 Population Female

Answer 1

The graph in the picture provides us details about age structure of a population. As we know, in a community there lies different people of different age groups. When statistically their data such as age and sex are arranged it is known as age structure of population.
The answer of the following questions are as follows. (17-21)

17. Answer - d

18.Answer - a

19. Answer - a

20. Answer - b

21. Answer - c