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Challenges of Increasing Human Population

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Challenges of Increasing Human Population

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Questions and Answers

What is one advantage of adding useful genes from one plant to another?

Increase fruit production (correct)

Enhance plant color

Reduce oxygen intake

Improve soil quality

What is a concern related to genetically modified crops and weeds?

Weeds reproducing with GM crops and acquiring their genes (correct)

GM crops developing new beneficial traits

GM crops being less productive than natural plants

Disease resistance of GM crops decreasing rapidly

Why might hydroponics be a suitable solution for growing plants in space or on Mars?

Plants in space require more sunlight than on Earth

Plants grow better and faster in liquids with nutrients and oxygen (correct)

Plants rely entirely on soil for growth

Plants do not need nutrients to grow in space

What makes hydroponics a potentially scalable solution for growing crops on Earth?

Capability to grow crops in various locations without soil Signup and view all the answers

How does hydroponics challenge the conventional belief about the importance of soil for plant growth?

By demonstrating that plants can thrive without soil using nutrient-rich liquids Signup and view all the answers

What benefit does hydroponics offer compared to traditional farming methods?

Ability to grow plants faster and better using nutrient-rich liquids Signup and view all the answers

What is the main concern addressed in the text?

The urgency to prepare for a significant increase in the human population by 2050 Signup and view all the answers

What danger arises when land is overused and not farmed sustainably?

The transformation of fertile land into desert Signup and view all the answers

What is mentioned as the consequence of replacing ancient grasslands with intensive farming in the Great Plains?

Dust storms due to soil erosion Signup and view all the answers

What could have helped prevent the disaster of the 'Oklahoma Dust Bowl' according to the text?

Maintaining the ancient grassland Signup and view all the answers

Why did 2.5 million people have to move away from the 'Oklahoma Dust Bowl' region?

Because the land became useless after soil erosion Signup and view all the answers

What is suggested as a potential solution for producing more food sustainably in the text?

'GM' - genetically modified crops Signup and view all the answers