Soil Profiles in the Rainforest Flashcards
1
Q
What are the 5 layers in order from top to bottom?
A
- humus
- A-horizon
- B-horizon
- C-horizon
- bedrock
2
Q
What is the humus layer?
A
- formed from decomposing litter
3
Q
What is the A-horizon?
A
- build up of humus which has completely decayed
4
Q
What is the B-horizon?
A
- built up layer of tougher/sturdier soil such as clay
5
Q
What is the C-horizon?
A
- pieces of rock mixed in with some soil
6
Q
What is the bedrock?
A
- a layer of hard rock
