Populations & Ecosystems

Populations & Ecosystems

1. Ecology

   • Study of inter-relationships between organisms and environment

2. Environment

   • Living
     • Biotic
       • Comeptition
         • Interspecific
           • Between species
         • Intraspecific
           • Within a species
       • Predation
   • Non-living
     • Abiotic
       • Rainfall
       • pH

3. Biosphere

   • Life-supporting layer of land, air & sea

4. Biome

   • Area classified by the major vegetation types

5. Population

   • All the individuals of one species living and interacting in a specific area and time

6. Community

   • All the populations of all the species living and interacting in a specific area and time

7. Species

8. Habitat

   • Area where an organism lives
   • Microhabitat
     • Microclimate

9. Ecological niche

   • Niche differentiation
     • Spatial partitioning
       • Geographical
       • microhabitat
     • Temporal partitioning
   • Fundamental
     • Potential niche
   • Realised
     • Actual niche