Question

please give me answers fast

Answer 1

An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Ponds donot needed to be cleaned butaquarium needs to be cleaned. This isbecause aquarium do not contain soil and decomposing bacteria which helps in degrading complex organic substance into simple inorganic substance and act as a cleaner . But pond have this 

Answer 2

hai mate,
#ecosystem is an interaction community between living and nonliving organisms .
#the two main components of ecosystem are biotic and abiotic .
#aquariums need to be cleaned regularly because to protect the species over there ,kept for domestic purpose . Ponds are comparing very large when aquariums are small and also for domestic purpose.