Addressing Population — Flashcards
ICSE · Class 10 · Environmental Science
42 flashcards for Addressing Population (ICSE Class 10 Environmental Science) to test yourself on key terms and facts. Sample: "What is population?"
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What is population?
Answer
Population is a group of organisms of the same species living in a geographically localized area in a specific time span and capable of interbreeding among themselves to produce a fertile offspring. I…
Why can rapid population growth damage the environment?
Answer
Rapid population growth increases the demand for food, water, housing, land, energy, and transport. To meet these needs, forests are cut and more land is used for farming and buildings. This leads to …
India has only 2.5% of the world's land area but nearly how much of the world's population?
Answer
India has nearly 15% of the world's population. This shows that population pressure on land, food, water, and other resources is very high.
What is the current world population used in this chapter's projections?
Answer
The current world population is 7.3 billion.
What population sizes are expected by 2030, 2050, and 2100?
Answer
The world population is expected to reach 8.5 billion by 2030, 9.7 billion by 2050, and 11.2 billion by 2100.
Why is the world population getting older?
Answer
The slowdown in population growth and the overall reduction in fertility increase the share of older people. As fewer children are born and people live longer, the population structure shifts towards …
What happens to people aged 65 and older by 2050 and 2100?
Answer
The number of people aged 65 and older is projected to more than double by 2050 and more than triple by 2100.
Why is Africa important in future population growth?
Answer
Africa is expected to account for more than half of the world's population growth between 2015 and 2050. This means a very large share of future world growth will come from African countries.
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