TRF Soil Structure and Climate

What type of rainfall occurs in the TRF?

• Frontal

• Convectional

• Conduction

• Relief

From the bottom up, which is the correct order of the layers of the TRF?

• Forest floor, emergents, canopy, undercanopy

• Undercanopy, shrub layer, canopy, emergents

• Forest floor, under canopy, canopy, emergents

Which of the following is NOT a characteristic of TRF soils

• Orange in colour

• Rich in nutrients

• Deep soil

• Rich in iron

True or false: the leaf litter layer in the TRF is thick and holds most of the nutrients for plants.

• True

• False

Which TWO of the following are CORRECT about the TRF

• Heavy rainfall causes leaching of nutrients from the soil

• Hot temperatures cause the soil to bake into a hard crust

• Plants lose their leaves during the winter when the weather is colder

• Plants grow incredibly tall in order to reach sunlight

"Only 2% of sunlight reaches this layer, it's dark and damp, only a few specialised plants can survive." Which layer of the tropical is being described?

• Emergents

• Canopy

• Under-canopy

• Forest floor

"Trees can reach 20-40 metres tall in this layer and most animal life exists here" Which layer of the TRF is being described?

• Emergents

• Canopy

• Under-canopy

• Forest floor

Warm air rises because...

• It is warm

• It is less dense

• It is more dense

• It contains water vapour

Clouds form because of

• Condensation

• Evaporation

• Sunlight

• Air flow

Which of the following is NOT an example of a TRF?

• Amazon

• Borneo

• Sumatran

• Serengeti