plants only
animals only
organisms linked in food chains
all of these
C. organisms linked in food chains
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
producers
primary consumers
secondary consumers
top consumers in the food-chain
Tokyo
New York
Calcutta
Mexico
air and water
water and smoke
smoke and fog
fire and water
limited to industrial areas
presence of large quantity of SO^2 in the atmosphere
a natural phenomenon
presence of CO^2 in the atmosphere
it contains timber trees
it harbours lions
it harbours elephants
it contains rare animals and plants
mutualism
commensalism
symbiosis
parasitism
A.G. Tansely
H.T. Odum
Karl Mobius
None of these
a food chain
trophic levels
food webs
ecosystem
carnivore
primary consumer
secondary consumer
decomposers
primary producers is larger than that of primary consumers
secondary consumers is the largest because they are most powerful
primary consumers is the least dependent upon primary producers.
primary consumers outnumber primary producers
arboreal
cursorial
benthos
xeric
hair is a good insulating material
hairs trap air which acts as insulator
they like fur
none of these
drought
heavy rainfall
deforestation
heavy winds
plants only
animals only
organisms linked in food chains
all of these
methyl isocyanide
phenyl isocyanide
ethylene
acetylene
peat
alluvial
colluvial
none of these
hydrophytes
mesophytes
xerophytes
halophytes
leutic
benthic
pelagic
none of these
CO
Hydro-carbon
greater
lesser
the same
very small
a biome
a natural ecosystem
an artificial ecosystem
a community of plants and animals
producers
consumers
predators
decomposers
gross primary productivity
net primary productivity
secondary productivity
none of these
Soil structure
Wind
Temperature
Climate
CO
Fluorides
environment
individual
specific species
plant community
biome
biosphere
community
population
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