Economy in timbering
Clear falling of trees
Prevention of fibres
Preservation of wild animals
B. Clear falling of trees
Allopatric
Autogenic
Sympatric
Allogenic
Tokyo
New York
Calcutta
Mexico
community in relation to environment
individuals
environment
water
plants only
animals only
carnivorous animals only
organisms linked in food-chains
biosphere
biome
community
ecosystem
mortality
natality
both and
none of these
Grass > Wolf �Deer -^Buffalo
Grass � Snake �Insect �Deer
Grass -�Insect >Birds >Snake
Bacteria ->Grass ~>Rabbit -�Wolf
Ecotype
Littoral
Ecotone
Both and
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
Soil structure
Wind
Temperature
Climate
predator
prey
host
parasite
plants only
animals only
organisms linked in food chains
all of these
environment
individual
specific species
plant community
carnivore
primary consumer
secondary consumer
decomposers
leutic
benthic
pelagic
none of these
producers
consumers
predators
decomposers
methyl isocyanide
phenyl isocyanide
ethylene
acetylene
A.G. Tansely
H.T. Odum
Karl Mobius
None of these
producer only
producers and consumers
consumers only
decomposers only
it contains timber trees
it harbours lions
it harbours elephants
it contains rare animals and plants
light received from sun
heat liberated during respiration
heat liberated during fermentation
none of these
soil
rocks
animal diseases
locomotion of animals
Economy in timbering
Clear falling of trees
Prevention of fibres
Preservation of wild animals
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
greater
lesser
the same
very small
primary producer
carnivorous secondary consumer
herbivorous
a decomposers
a biome
a natural ecosystem
an artificial ecosystem
a community of plants and animals
limited to industrial areas
presence of large quantity of SO^2 in the atmosphere
a natural phenomenon
presence of CO^2 in the atmosphere