Geog (Forests)

Which of the following is not a characteristic of the tropical climate

• Low annual rainfall

• High annual temperature

• Large annual temperature range

• No distinct hot/cold and wet/dry seasons

Match the following heights to the forest layer

• 20m to 30m

• Emergent

• <20m

• Undergrowth

• 30m<

• Canopy

Match the following images to the correct adaptations

• Waxy leaf

• 
• Drip tip leaf

• 
• Broad leaf

• 
• Shallow roots

• 
• Buttress roots

• 

Draw a cat

Mangroves grow best at places where the average air and water temperature do not fall below ____

Where can mangrove plants be found?

• Sheltered environments

• Places with calm water conditions

• Shallow waters

• Near to the coast

Aerial roots help mangrove plants to:

• Secrete salt from the plant

• Exclude salt from the plant

• Take in oxygen directly from the air above the soil surface

• Anchor mangrove plants to the soft soil

Tropical rainforests produce as much as 40% of the oxygen in the atmosphere

• True

• False

Match the following functions of tropical forests to the correct benefit

• Traps and stabilises loose sediments. Prevents coastal erosion

• Leaves, branches, stems of rainforest plants

• Reduces amount of greenhouse gases in the atmosphere

• Contributing to carbon storage

• Binds the soil together and prevents soil erosion

• Dense root system of mangroves

• Traps and stabilises sediments, preventing coastal erosion

• Roots of trees in tropical rainforests

• Slows down raindrops and prevent soil erosion

• Interception of raindrops by trees

Deforestation can be caused by...

• Planting fewer trees to regenerate the forest

• The unsustainable cutting down of trees for raw materials.

• Human activities such as mining and agriculture

• Coastal erosion