Flashcards on Understanding Population Dynamics
Understanding Population Dynamics: A Comprehensive Guide
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Global and Regional Population
16 cards
Card 1
Question: Does the population grow at the same rate in all regions and countries?
Answer: No; population growth is not uniform and depends on factors such as resources, living conditions, and regional development.
Card 2
Question: What factors determine where a population settles?
Answer: Resource availability and climate (environmental conditions).
Card 3
Question: According to the text, what have been the main causes of historical population declines?
Answer: Wars, famines, and, especially, epidemics and pandemics.
Card 4
Question: How did the world population change between 1950 and 2015, and why?
Answer: It increased from 2,519,000 in 1950 to 7,349,000 in 2015 due to improved living conditions and advancements in food production that reduced mortality.
Card 5
Question: Has population growth been equal between more developed and less developed regions in recent decades?
Answer: No; less developed regions experienced greater growth, while more developed regions maintained stable and moderate growth.
Card 6
Question: According to the projection mentioned, what will be the approximate world population in 2050?
Answer: 9,725,000 people (according to the figure shown in the text).
Card 7
Question: In the debate presented, what is considered the main problem: the increase in world population or its distribution?
Answer: The author of the exercise suggests that the main problem is the increase in world population.
Card 8
Question: What rule is applied to calculate the percentage of a region's population relative to the world population in a given year?
Answer: A rule of three is used: multiply the region's population by 100 and divide by the world population for the same year (for example, 1,712,161,000 × 10
Card 9
Question: In 1950, what percentage of the world population corresponded to less developed regions, and what percentage to more developed regions?
Answer: Less developed regions: 67.8%. More developed regions: 32.2%.
Card 10
Question: According to the table, how did the percentage of the population in less developed regions change between 1950 and 2000?
Answer: It increased: 67.8% in 1950 → 98.8% in 2000 (according to the data shown).