carnivore
primary consumer
secondary consumer
decomposers
B. primary consumer
mutualism
commensalism
predatism
parasitism
mutualism
commensalism
symbiosis
parasitism
Economy in timbering
Clear falling of trees
Prevention of fibres
Preservation of wild animals
soil
rocks
animal diseases
locomotion of animals
biome
biosphere
community
population
A.G. Tansely
H.T. Odum
Karl Mobius
None of these
carnivore
primary consumer
secondary consumer
decomposers
lung diseases
bone cancer
leukaemia
skin cancer
a part of the earth and its atmosphere which inhabits livings organisms
a community of organisms interacting with each other
the fauna and flora on land
the fauna and flora on ocean
plants only
animals only
organisms linked in food chains
all of these
food web
pyramid of numbers
pyramid of succession
none of these
commensalism
symbiosis
mutualism
cooperation
producers
primary consumers
secondary consumers
top consumers in the food-chain
producers
producers and consumers
decomposers and producers
producers, consumers and decomposers
biosphere
biome
community
ecosystem
producer only
producers and consumers
consumers only
decomposers only
CO
Hydro-carbon
sand, silt and clay
silt, sand and clay
clay, sand and silt
clay, silt and sand
Soil structure
Wind
Temperature
Climate
it contains timber trees
it harbours lions
it harbours elephants
it contains rare animals and plants
gross primary productivity
net primary productivity
secondary productivity
none of these
peat
alluvial
colluvial
none of these
primary producer
carnivorous secondary consumer
herbivorous
a decomposers
Fly ash
Hydrocarbon gases
CO
chemical factors of soil which affect life
physical factors of soil which affect life
all living organisms which influence other organisms
factors of atmosphere which affect life
CO
Fluorides
hair is a good insulating material
hairs trap air which acts as insulator
they like fur
none of these
Tokyo
New York
Calcutta
Mexico
plants only
animals only
carnivorous animals only
organisms linked in food-chains
hydrophytes
mesophytes
xerophytes
halophytes