Transfer of material and energy from one ecosystem to other ecosystem is best examplified by
Harvesting of fishes
Grazing of pastureland
Game hunting in Savannah
Silvicultural practices in a woodland
It’s obvious.
If plant (producers) of an ecosystem die, then the system
In a pond ecosystem, benthos means
The order of organism in an aquatic food chain is
$A$ : In secondary productivity, no new organic matter is formed.
$R$ : It is only utilisation of part of food manufactured by primary producers in building of consumer biomass.
Water plants provide ……. to water animals
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