lung diseases
bone cancer
leukaemia
skin cancer
B. bone cancer
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
lung diseases
bone cancer
leukaemia
skin cancer
carnivore
primary consumer
secondary consumer
decomposers
plants only
animals only
carnivorous animals only
organisms linked in food-chains
CO
Hydro-carbon
producer only
producers and consumers
consumers only
decomposers only
soil
rocks
animal diseases
locomotion of animals
arboreal
cursorial
benthos
xeric
Economy in timbering
Clear falling of trees
Prevention of fibres
Preservation of wild animals
mortality
natality
both and
none of these
hydrophytes
mesophytes
xerophytes
halophytes
greater
lesser
the same
very small
community in relation to environment
individuals
environment
water
Tokyo
New York
Calcutta
Mexico
commensalism
symbiosis
mutualism
cooperation
producers
primary consumers
secondary consumers
top consumers in the food-chain
food web
pyramid of numbers
pyramid of succession
none of these
Fly ash
Hydrocarbon gases
CO
Ecotype
Littoral
Ecotone
Both and
leutic
benthic
pelagic
none of these
biome
biosphere
community
population
drought
heavy rainfall
deforestation
heavy winds
producers
consumers
predators
decomposers
a food chain
trophic levels
food webs
ecosystem
hair is a good insulating material
hairs trap air which acts as insulator
they like fur
none of these
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
sand, silt and clay
silt, sand and clay
clay, sand and silt
clay, silt and sand
it contains timber trees
it harbours lions
it harbours elephants
it contains rare animals and plants
mutualism
commensalism
predatism
parasitism
air and water
water and smoke
smoke and fog
fire and water