Successsion Flashcards
1
Q
Succession
A
Changes in an ecosystem over time
2
Q
Primary succession
A
Rock or barren land being colonised for the first time
3
Q
Secondary succession
A
a previously occupied area is re-colonized following a disturbance that kills much of its community
4
Q
Climax community
A
Becomes stable and no more significant change
5
Q
Pioneer species
A
The first species to colonise an area where previously no one lived
6
Q
Pioneer species characteristics
A
-Asexuly reproduce
-Fast growing
-Wind dispersed seeds
-Low water tolerance
-Good nitrogen fixation
7
Q
Characteristics of Climax Community
A
-Abiotic conditions become less harsh
-More habitats and niches
-More biodiversity
-more biomass
