- What is the difference between species diversity and endemism?
Endemism = occurrance in a restricted area only
Diversity = variety of life forms within an area
- What factors benefit speciation?
Large variety of habitats differing in climate, topography,
geology
- Why are mountains important for biodiversity?
See mountains and endemism
- Name different possibilities for the colonisation history of an area.
- Isolated development
- Natural dispersal
- Area can act as refuge
- Introduction of species
- How do humans influence the species composition in the alpine zone?
- Extermination and (re)introduction of animals
- Changing the environment through constructions (urbanisation, fragmentation
of habitats) and agriculture (changing plant communities, competition
for resident herbivores)
For further details see: human impact
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