Nutrient Cycle Flashcards
1
Q
What are nutrients?
A
What plants need to grow properly.
2
Q
What is weathering?
A
Break down of rocks in its place
3
Q
What is leaching?
A
Downward movement of minerals through the soil (due to high rainfall)
4
Q
What is run-off?
A
Water flowing over the surface of the land
5
Q
What is litter (in terms of a rainforest)?
A
Decayed biomass on the forest floor.
6
Q
What are rainforest soils called?
A
Red latosols
7
Q
Why is the soil a deep red colour in the rainforest?
A
Most of the silica is washed out by leaching, leaving iron and aluminium oxides.
