19.7 - Succession Flashcards
What succession is The stages of succession The difference between primary and secondary succession The features of communities at each stage of succession
What is succession?
Process by which ecosystems change over time due to changes in the environment, causing the plant and animal species present to change
What are the two main types of succession?
Primary and secondary
What is primary succession?
Succession on newly formed land with no soil
What is secondary succession?
Succession where existing community is removed
What are seral stages?
Phases in the process of succession
What are the stages of succession?
Initial colonisation
What are pioneer communities?
First species to colonise
What are intermediate communities?
Species that move in as soil improves
What are climax communities?
Stable ecosystems with balanced equilibrium
What is animal succession?
Animal communities changing alongside plant succession
What are adaptations of pioneer communities?
Asexual reproduction
What are the features of pioneer communities?
Low biodiversity
What are the features of intermediate communities?
Increasing biodiversity
What are the features of climax communities?
High biodiversity
