6.3 Quiz

What is deforestation?

• Seasonal cutting down of trees

• Selective harvesting of trees

• Temporary relocation of trees

• Permanent removal of tropical forests

What are the consequences of extracting resources from tropical forests?

• Loss of animal habitats

• Loss of forest species

• Regeneration of vegetation

• Increase in biodiversity

What is the main environmental impact of deforestation?

• Increase in oxygen levels

• Enhanced greenhouse effect

• Decrease in carbon dioxide levels

• Promotion of biodiversity

What is the function of tropical forests to prevent having too much carbon dioxide in the atmosphere?

• They take in carbon dioxide during photosynthesis

• They respire and take in carbon dioxide

• They reach its maximum capacity to take in carbon dioxide

• They release more carbon dioxide through their stomata

What is the difference between Greenhouse Effect and Enhanced Greenhouse Effect?

• Enhanced Greenhouse Effect is caused by humans

• Enhanced Greenhouse Effect is a natural process

• Greenhouse Effect is caused by humans

• Both are natural processes

What are the social consequences when tropical forests are removed?

• There will be a loss in biodiversity

• There will be a loss of food sources

• There will be loss of habitats for indigenous people

• There will be loss of recreation activities for good well-being

How does enhanced greenhouse effect come about?

• Decrease in carbon dioxide levels and less carbon dioxide is absorbed by trees

• Increase in oxygen levels in the atmosphere, trapping heat

• Increase in carbon dioxide levels in the atmosphere, trapping more heat

• There are more greenhouse gases

What is the impact of deforestation on the temperature of Earth's surface?

• Temperature becomes stable

• Increase in temperature

• No impact on temperature

• Decrease in temperature

Greenhouse effect is beneficial for Earth

• True

• False