Succession Flashcards
1
Q
What is the replacement of one community by another as environmental conditions change?
A
Succession
2
Q
What is succession that occurs where there is no soil? What is an example?
A
Primary succession[Glacier retreat]
3
Q
What is: the first to populate an area and form a basis for soil?
A
Pioneer species
4
Q
What do the secrete acids from lichen do?
A
Take nutrients from rock, breaking it down to expose soil
5
Q
What is: when a disturbance of some kind changes a community without removing the soil? What is an example?
A
Secondary succession [wildfire]
6
Q
What are two benefits of succession?
A
- Allows ecosystems to maintain their long-term sustainability
- Ecosystems can recover from natural and human caused disturbances
