Tropical Rainforest Flashcards
1
Q
what is humus (o-horizon) made up of?
A
the humus layer is formed from decomposing litter, which is dead leaves, roots, branches, decomposing animals ect
2
Q
what is the a-horizon made up of?
A
this layer is built up of humus which has completely decayed
3
Q
what is the b-horizon made up of?
A
this is built up of tougher/sturdier soil such as clay
4
Q
what is the c-horizon made up of?
A
pieces of rock mixed in with some soil
5
Q
what is bedrock?
A
this is a layer of hard rock