Rainforest Biomes Quiz

What makes rainforests one of the oldest ecosystems on Earth?

• They have existed for over 70 million years

• They were the first ecosystems to form on Earth

• They have never undergone any environmental changes

• They once covered the entire planet

What is a key difference between temperate and tropical rainforests?

• Temperate rainforests are found in warmer climates

• Tropical rainforests are found near mountainous regions

• Temperate rainforests are located in mid-latitudes, while tropical rainforests are found between the Tropic of Cancer and the Tropic of Capricorn

• Tropical rainforests receive less rainfall than temperate rainforests

How much rain can rainforests receive per year?

• Up to 10 feet

• Up to 20 feet

• Up to 33 feet

• Over 50 feet

Despite covering only about 6% of Earth's surface, rainforests are home to what percentage of the world's plant and animal species?

• About 25%

• About 40%

• About 50%

• About 75%

How do rainforests contribute to the Earth's breathable air?

• They regulate ocean currents that provide oxygen

• They absorb carbon dioxide and produce about 40% of the planet's oxygen

• They release stored oxygen from underground sources

• They filter oxygen from the atmosphere

What percentage of plants used in cancer treatments are only found in rainforests?

• 30%

• 50%

• 70%

• 90%

Which of the following is NOT mentioned as a factor contributing to rainforest deforestation?

• Economic inequalities

• Human development

• Pollution from industrial waste

• Demand for natural resources