Adaptation
Acclimatisation
Colonisation
All the above
C. Colonisation
when both organisms are benefited
when one organism is benefited without affecting the other
when one organism is affected
when both organisms are affected
Marine
Freshwater
Grassland
Pond
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Forest prevent soil erosion
Forests act as water sheds
Forests have lots of water plants
Forests bring rainfall, in monsoon
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
Protozoa
Oxygen produced by plants
Sunlight
Manure in the soil
a well developed root system
a well developed vascular system
a well developed stomatal system
a reduced vascular system
Typha latifolia
Cyperus rotundus
Parthenium
Eichhornia
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
Himachal Pradesh
Haryana
Tamil Nadu
Assam
soil
locomotion of animals
rocks
crop diseases
ozone
carbon monoxide and oxides of sulphur
hydrocarbons and hot air
algae spores and marsh gas
parasitic food chain
consumer food chain
detritus food chain
predator food chain
sand-silt and clay
silt-sand and clay
clay-sand and silt
clay-silt and sand
Bharatpur
Kaziranga
Silent Valley
Gir
a food chain
genetic drift
ecological succession trend
a phylogenetic trend
Lichens
Algae
Fungus
Fems
storage water
capillary water
field capacity
gravitational water
Tropical regions
Deserts
Temperate deciduous plants
Deserts
encouragement of growth of microbes to decompose sewage
disinfection of sewage
removal of heavy grit from sewage in the settling chambers
pumping of sewage into aeration tanks for increased microbial activity
the flora on land
the flora in ocean
a community of organisms interacting with each other
that part of earth and its atmosphere which inhabits living organisms
purification of water
formation of soil
sterilization of soil
degradation of soil
grass � wolf > deer > buffalo
bacteria � grass � rabbit > wolf
grass � insect � bird � snake
grass > snake �insect � deer
Diatoms
Lichens
Mosses
Ferns
Sufficient food will not be available to water organisms
Sufficient oxygen will not be available to water organisms
Drinking water will not be available
B.O.D value of water will decrease
Nitrosomonas
Azotobacter
Nitrobacter
Closteridium
halophytic
mesophytic
xerophytic
hydrophytic
decomposition of animals and plants by bacteria
photosynthesis by green plants
fermentation of sugars
sun-light
excessive so2 in their air
excessive ammonia in the air
low temperature
high temperature