Multiple Choice
Which of the following examples best represents individuals of the same population?
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50. Population Ecology
Population Demography
Multiple Choice
Which of the following statements best describes the pattern seen in age structure diagram C?
A
The population has a narrow base and a wider top, indicating a declining population with more older individuals.
B
The population has a relatively uniform distribution across age groups, suggesting slow or zero population growth.
C
The population has a broad base, indicating rapid growth with a high proportion of young individuals.
D
The population shows a sudden drop in the middle age group, suggesting high mortality in reproductive ages.
Verified step by step guidance1
Step 1: Understand the concept of an age structure diagram. Age structure diagrams visually represent the distribution of individuals across different age groups in a population. They are typically divided into pre-reproductive, reproductive, and post-reproductive age categories.
Step 2: Analyze the patterns in age structure diagrams. A narrow base and wider top indicate a declining population with fewer young individuals and more older individuals. A broad base suggests rapid population growth with a high proportion of young individuals. A uniform distribution across age groups suggests slow or zero population growth. A sudden drop in the middle age group indicates high mortality in reproductive ages.
Step 3: Match the description provided in the problem to the patterns seen in age structure diagrams. For example, if the population has a narrow base and wider top, it aligns with a declining population. If the population has a broad base, it aligns with rapid growth.
Step 4: Evaluate the statement that best fits the description of age structure diagram C. Carefully compare the provided options to the characteristics of the diagram described in the problem.
Step 5: Select the statement that most accurately describes the pattern seen in age structure diagram C based on the analysis of the age distribution and population growth trends.
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