primary succession Flashcards
(8 cards)
1
Q
What is primary succession?
A
The gradual change in plant and animal communities from colonisation by pioneer species to the climax community.
2
Q
What are the first species to colonise an area?
A
Pioneer species.
3
Q
What happens at each stage of succession?
A
Certain species change the abiotic factors.
4
Q
What do these changes do to the environment?
A
It becomes less suitable for the previous species.
5
Q
What will happen to the abiotic environment?
A
A less hostile environment and changing the species diversity.
6
Q
What is formed in the last stage?
A
A climax community.
7
Q
Why are climax communities often not established?
A
Agricultural practices such as grazing, crop production, ploughing etc.
8
Q
What can prevent the sequence of succession?
A
Fires and floods.
