Front

How much energy is lost from cell activity and given off as heat during an organism's life?

Back

About 90% of energy is lost from cell activity and given off as heat.

Front

What gas is most likely released by plants during photosynthesis?

Back

Oxygen is the gas most likely released by plants.

Front

How does increased carbon dioxide contribute to global warming?

Back

Increased carbon dioxide traps more heat in the atmosphere.

Front

What is the role of negative feedback loops in biological systems?

Back

Negative feedback loops prevent small changes from getting larger.

Front

How does the melting of ice contribute to global warming?

Back

Less ice reveals more ocean surface that can absorb more heat.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants convert sunlight into energy, producing oxygen and glucose.

Front

Define global warming.

Back

Global warming is the long-term increase in Earth's average surface temperature due to human activities, primarily the emission of greenhouse gases.

Front

What is a greenhouse gas?

Back

A greenhouse gas is a gas that traps heat in the atmosphere, contributing to the greenhouse effect.

Front

Explain the greenhouse effect.

Back

The greenhouse effect is the warming of Earth’s surface due to the trapping of heat by greenhouse gases in the atmosphere.

Front

What is the significance of biodiversity?

Back

Biodiversity is important for ecosystem resilience, providing a variety of species that contribute to ecosystem services.