Forest prevent soil erosion
Forests act as water sheds
Forests have lots of water plants
Forests bring rainfall, in monsoon
B. Forests act as water sheds
a food chain
genetic drift
ecological succession trend
a phylogenetic trend
when both organisms are benefited
when one organism is benefited without affecting the other
when one organism is affected
when both organisms are affected
Nitrogen
Carbon
Phospnorus
Oxygen
Taiga ecosystem
Tundra ecosystem
Savannah ecosystem
Tropical rainforest
parasitic food chain
consumer food chain
detritus food chain
predator food chain
excessive so2 in their air
excessive ammonia in the air
low temperature
high temperature
purification of water
formation of soil
sterilization of soil
degradation of soil
Darwin's birthday
World hygiene day
World environment day
World population day
Succulents
Heterophyllous
Herbaceous
Viviparous
In which individuals interact with each other
In which life originated
The name of a bird
Organic compound by which life diminih
loam soil
clay soil
sandy soil
poeaty soil
sand-silt and clay
silt-sand and clay
clay-sand and silt
clay-silt and sand
Nitrosomonas
Azotobacter
Nitrobacter
Closteridium
Solar energy
Hydro-power
Natural gas
All of these
ozone
carbon monoxide and oxides of sulphur
hydrocarbons and hot air
algae spores and marsh gas
Forest prevent soil erosion
Forests act as water sheds
Forests have lots of water plants
Forests bring rainfall, in monsoon
a well developed root system
a well developed vascular system
a well developed stomatal system
a reduced vascular system
suspended hydrophyte
submerged hydrophyte
floating and anchored plant
a free floating hydrophyte
frequent cyclones
rainfall
frequent landslides
erosion of soil surface
green plants systhesize food
the green plants eat everything
they are fixed at a place
none of these
soil structure
organic colloids
crystalloids
none of the above
Protozoa
Oxygen produced by plants
Sunlight
Manure in the soil
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
storage water
capillary water
field capacity
gravitational water
producer - consumer - decomposer
decomposer - consumer - producer
producer - decomposer - consumer
consumer - producer - decomposer
Kashmir
Kerala
Africa
America
leukaemia
polio
pneumonia
haemophilia
Tropical regions
Deserts
Temperate deciduous plants
Deserts
Marine
Freshwater
Grassland
Pond
upright
inverted
upright or inverted
none of these