108 Geog quiz

How do tropical rainforests prevent soil erosion?

• By causing friction with waves that hit the forest

• By producing soil carbon with their roots

• By using animals who live in the forest

• By using their roots to bind their soil together so it is harder for the soil to erode

Why are mangrove forests habitats for many animals?

• Calm water conditions ensure that their habitat are not destroyed

• Mangroves are a source of good food and a nursery ground for many animals

• Plenty of nutrients for young animals to feed on

• All of the above

Which of the following statements are TRUE?

• Mr Quek is not a source of carbon

• Dead leaves and branches on the forest floor add carbon to the soil

• CO2 is absorbed in solid form in plants

• Buttress roots help trees in tropical rainforests absorb nutrients from the soil quickly.

Draw and label the 4 layers of the tropical rainforest

Insert a video/image of a drip tip leaf

5 sec video

Mangrove forests store ____ carbon than tropical rainforests

Explain how interception by trees help to prevent soil erosion.

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Match the following characteristics to its adaptations.

• Maximise sunlight absorption by leaves

• Broad leaves

• Reduce water loss through transpiration

• Shallow roots

• Help trees absorb nutrients as quickly as possible

• Waxy leaves

• Help water drip off the leaf

• Drip-tip leaf

• Anchor tall trees and prevent them from toppling over

• Buttress roots

Why is increased carbon dioxide in the atmosphere bad for Earth?

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The greenhouse effect is bad for Earth

• True

• False

Answer explanation

It is the ENHANCED greenhouse effect that is bad for Earth. The greenhouse effect is good because it regulates the temperature on Earth and keeps us warm.