Week 1 Sustainability

Cities are responsible for the consumption of how much of the world's natural resources?

• 68%
• 75%
• 80%
• 95%

“Sustainable development meets the needs of the present generation whilst compromising the ability of future generations to meet their own needs.” True or false?

• True
• False

Increasing affluence can lead to unsustainable lifestyles, why?

• It leads to easier access to energy
• It leads to better access to education
• It leads to easier access to healthcare
• It leads to a decrease in GDP

What is the term used to describe mechanisms that resist change in the context of the image?

• Positive feedback mechanisms
• Neutral feedback mechanisms
• Negative feedback mechanisms
• Equilibrium feedback mechanisms

In the negative feedback loop involving carbon dioxide, what is the relationship between temperature and photosynthesis?

• Temperature decreases photosynthesis
• Temperature increases photosynthesis
• Photosynthesis decreases temperature
• Photosynthesis increases temperature

What is the effect of reflected sun rays on Earth's temperature in the context of the negative feedback mechanism?

• Significant warming effect
• No effect
• Significant cooling effect
• Slight cooling effect

Which of the following is NOT a step in the process of how higher temperatures cause extreme rainfall?

• More heat from the sun
• More moisture forms clouds
• Heavier rain
• Decreased evaporation

Which of the following is a consequence of increased carbon dioxide levels in the atmosphere?

• Decreased global temperatures
• Increased photosynthesis rates
• Reduced sea levels
• Decreased plant growth

What is the primary role of negative feedback mechanisms in biological systems?

• To amplify changes
• To disrupt equilibrium
• To maintain homeostasis
• To promote rapid growth

Which of the factors below limit population growth when it exceeds carrying capacity?

• Food and predation
• Climate and food
• Photosynthesis and predation
• Climate and photosynthesis