Life on Earth

Front

Why is the proximity of the Sun important for life on Earth?

Back

It helps regulate temperature.

Front

What is the main source of energy for life on Earth?

Back

The sun.

Front

In order for life as we know it to exist, a planet must have ______________________

Back

Liquid water.

Front

Why is water important for living organisms on Earth?

Back

It helps regulate temperature.

Front

Which planet in our solar system has an atmosphere that is not suitable for life?

Back

Venus.

Front

What is the greenhouse effect?

Back

The warming of Earth’s surface due to trapped heat by greenhouse gases.

Front

What role does oxygen play in the survival of living organisms?

Back

Oxygen is essential for respiration, a process that produces energy.

Front

What is photosynthesis?

Back

The process by which plants convert sunlight into energy using carbon dioxide and water.

Front

Why is liquid water considered essential for life?

Back

It serves as a solvent for biochemical reactions and is necessary for cellular processes.

Front

What are the basic needs of living organisms?

Back

Food, water, shelter, and air.