1. Place where organism lives
2. Place where organism lives and performs its duty
3. Place where population perform their duty
4. Position of species in a community in relation to other species.
Place where population perform their duty
1. Biomes
2. Ecosystems
3. Bio geographical regions
4. Biospheres.
Biomes
1. Sandy
2. Alkaline
3. Acidic
4. Salty.
Acidic
1. Silty soil
2. Peaty soil
3. Loamy soil
4. Clayey soil.
Peaty soil
1. Precipitation
2. Ground water
3. Evaporation
4. Run off water.
Run off water.
1. Sholas
2. Lantana
3. Coniferous pine
4. Mangrove.
Mangrove.
1. Hydrophytes
2. Sciophytes
3. Psammophytes
4. Halophytes
5. Heliophytes.
Halophytes
1. Ecosystem
2. Population
3. Ephemerals
4. Ecotype
5. Biome.
Ecotype
1. Shorea robusta
2. Dipterocarpus
3. Pinus wallichiana
4. Prosopis
5. Quercus.
Pinus wallichiana
1. Neottia
2. Balanophora
3. Aldrovanda
4. Buxbaumia.
Neottia