5.3 Degradation and Conservation Flashcards
1
Q
Primary Succession
A
when a once barren land gets colonized by pioneer plants and animals and is converted into a habitat
2
Q
Secondary Succession
A
when an already existing habitat is re-colonized and changed by new pioneer plants and animals
3
Q
Soil Levels
A
O Horizon - organic matter
A Horizon - topsoil
B Horizon - subsoil
C Horizon - substratum
R Horizon - bedrock
4
Q
Succession
A
the process of change over time in an ecosystem involving pioneer, intermediate, and climax communities