Population & Instability
Water Security & Instability
Food Security
Biodiversity & Simpson Index
Sustainability & Human Impact
100

This term means rapid increase in the number of people in an area.

 What is population growth

100

This is the reliable access to safe drinking water.

What is water security?

100

This means having reliable access to enough nutritious food.

What is food security?

100

This measures the variety of species in an ecosystem.

What is biodiversity?

100

Using resources in a way that does not damage future generations.

What is sustainability?

200

A situation where population exceeds available resources.

What is overpopulation?

200

 A lack of enough clean water for basic needs.

What is water scarcity?

200

When people do not have enough food to eat.

What is food insecurity?

200

A higher value means this kind of diversity.

What is greater biodiversity?

200

The ability of an environment to support life and resources.

What is carrying capacity?

300

A model that shows how populations grow in stages over time.

What is the demographic transition model?

300

Water shortage caused by climate or geography.

What is physical water scarcity?

300

Farming method that produces high yields but can damage ecosystems.

What is industrial agriculture?

300

The index used to measure species diversity mathematically.

What is the Simpson Diversity Index?

300

Cutting down forests faster than they can regrow.

What is deforestation?

400

When birth rates and death rates are both low and stable.

What is a stable population?

400

Water shortage caused by poor infrastructure or money.

What is economic water scarcity?

400

The four pillars of food security include availability, access, utilization, and this.

What is stability?

400

An ecosystem with many species evenly distributed has this kind of diversity.

What is high evenness?

400

This gas increase contributes to climate change affecting all systems.

What is carbon dioxide (CO₂)?

500

 A country with very fast population growth often struggles with this.

What is population instability?

500

Overuse of this can lead to long-term water instability.

What are freshwater resources?

500

Climate change mainly affects food security by changing this.

What is crop production?

500

Human activity that reduces biodiversity often leads to this result.

What is ecosystem instability?

500

The balance between population, resources, and environment is called this.

What is environmental equilibrium?