Exploring Rainforest Biodiversity and Conservation

How long ago can some rainforests trace their origins?

• Over 100 million years

• Over 70 million years

• Over 50 million years

• Over 30 million years

Which continent does not have rainforests?

• Europe

• Antarctica

• Australia

• Africa

What type of rainforest is found in cooler, coastal regions?

• Tropical

• Temperate

• Monsoon

• Cloud

How much rain can rainforests receive per year?

• Up to about 25 feet

• Up to about 20 feet

• Up to about 15 feet

• Up to about 33 feet

What percentage of the world's plant and animal species call rainforests their home?

• Over 60%

• Over 50%

• Over 40%

• Over 25%

Tags

CCSS.6.RP.A.3C

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

• 80%

• 60%

• 70%

• 50%

What is the role of rainforests in regulating global temperatures?

• They reflect sunlight

• They absorb carbon dioxide

• They produce vast amounts of oxygen

• All of the above

What are the main factors contributing to the deforestation of rainforests?

• Global cooling

• Economic inequalities and human development

• Alien invasions

• Natural disasters

At the current rate, when might rainforests completely disappear?

• Within the next 50 years

• Within the next century

• Within the next 500 years

• Within the next 200 years

Which of the following is a conservation effort to save rainforests?

• Sustainable logging practices

• Increased agricultural development

• Urban expansion

• Mining for natural resources