Succession Flashcards
1
Q
Pioneer species
A
1st species to arrive and survive on an uncolonised envirpnment
2
Q
Lichen
A
Example of a pironeer
3
Q
Colonisers
A
Any speceies that arrive and survive during the process of succession
4
Q
Primary succession
A
Occurs from an originally sterile environment
5
Q
Abiotic conditions
A
Non-living conditions
6
Q
Secondry succession
A
This occurs when seeds may be in the soil
7
Q
Features of a climax comuinty
A
High biodiversity
High biomass
More niches
More food sources
More habitats
More stable
8
Q
Niche
A
A role of a species in its environment
9
Q
Features of a pioneer species
A
Extremephiles
Nitrogen fixers
Ability to anchor onto bare rock
Ability to photosynthesis
10
Q
What happens when pioneers die
A
Produce humus and change abiotic conditions
