1. Artificial
2. Abiotic
3. Natural
4. Hydrological
Natural
1. Eagle and snake
2. Insects and cattle
3. Snake and Frog
4. Water insects
Insects and cattle
1. Pine
2. Oak
3. Orchids
4. Rhododendrons
Oak
1. Gloger's rule
2. Jorden's rule
3. Allen's rule
4. Bergman's rule
Allen's rule
1. Removal of 80% tigers from an area resulted in greatly increased growth of vegetation
2. removal of most of the carnivores resulted in an increased population of deers
3. the length of food chains is generally limited to 3-4 trophic levels due to energy loss
4. the length of food chains may vary from 2 to 8 trophic levels
the length of food chains is generally limited to 3-4 trophic levels due to energy loss
1. Mass availability of food
2. Adaptation to surrounding
3. Temperature tolerance
4. Population
Adaptation to surrounding
1. Presence of a variety of crocodiles
2. Presence of very narrow-leaved trees growing together
3. Presence of a variety of grasses growing together
4. Presence of broad-leaved trees growing together
Presence of broad-leaved trees growing together
1. Temperate forests
2. Mangroves
3. Trophical rainforests
4. Alpine forests
Trophical rainforests
1. Planktons
2. Benthos
3. Nektons
4. Phytons
Benthos
1. Planktons
2. Benthos
3. Nektons
4. Phytons
Benthos