Protozoa
Oxygen produced by plants
Sunlight
Manure in the soil
C. Sunlight
halophytic
mesophytic
xerophytic
hydrophytic
Kashmir
Kerala
Africa
America
decomposition of animals and plants by bacteria
photosynthesis by green plants
fermentation of sugars
sun-light
the roots are starved
of the mechanical injury to roots
most of the aerial parts are eaten away
of the mechanical injury to branches
ozone
carbon monoxide and oxides of sulphur
hydrocarbons and hot air
algae spores and marsh gas
natural geochemical cycles
the natural flora of a place
the natural wild life of a region
the natural balance of our environment
frequent cyclones
rainfall
frequent landslides
erosion of soil surface
Botanical Survey of India - Calcutta
St. Xavier's Herbarium - Mumbai
Central National Herbarium - Calcutta
IARI - New Delhi
grass � wolf > deer > buffalo
bacteria � grass � rabbit > wolf
grass � insect � bird � snake
grass > snake �insect � deer
Nitrogen
Carbon
Phospnorus
Oxygen
producer - consumer - decomposer
decomposer - consumer - producer
producer - decomposer - consumer
consumer - producer - decomposer
a well developed root system
a well developed vascular system
a well developed stomatal system
a reduced vascular system
CO
Hydrocarbons
soil
locomotion of animals
rocks
crop diseases
Typha latifolia
Cyperus rotundus
Parthenium
Eichhornia
Marine
Freshwater
Grassland
Pond
Tropical regions
Deserts
Temperate deciduous plants
Deserts
Bharatpur
Kaziranga
Silent Valley
Gir
closely related species growing in the same niche
closely related species growing in different habitats
distantly related species growing in same habitat
distantly related species growing in different habitats
excessive so2 in their air
excessive ammonia in the air
low temperature
high temperature
sand-silt and clay
silt-sand and clay
clay-sand and silt
clay-silt and sand
Lichens
Algae
Fungus
Fems
Taiga ecosystem
Tundra ecosystem
Savannah ecosystem
Tropical rainforest
purification of water
formation of soil
sterilization of soil
degradation of soil
when both organisms are benefited
when one organism is benefited without affecting the other
when one organism is affected
when both organisms are affected
suspended hydrophyte
submerged hydrophyte
floating and anchored plant
a free floating hydrophyte
biotic potential
biotic component
biological value
biological amplification
soil structure
organic colloids
crystalloids
none of the above
In which individuals interact with each other
In which life originated
The name of a bird
Organic compound by which life diminih
Protozoa
Oxygen produced by plants
Sunlight
Manure in the soil