Question

we do not clean ponds or lakes but an aquarium needs to be cleaned. why?

name two salt water system

write the fectors foe excessive solid waste genertion.

what are coliform bacteria?

one example of gRAZING FOOD CHAIN?

Answer 1

hey there!
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QUESTION:-
we do not clean ponds or lakes but an aquarium needs to be cleaned. why?

ANSWER:-
Aquarium is an artificial ecosystem, which contain fishes as living organisms. In natural ecosytems, other organisms are also present in sufficient number to maintain a balance.

In natural aquatic ecosystem, uneaten food or fish waste turns into ammonia, bacteria then convert these pollutants into non-toxic nitrates. So, If water of aquarium is not changed regularly then wastes could accumulate to dangerous level, that fishes could even die.
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QUESTION:-
name two salt water system!

ANSWER:-
1. CHILKA LAKE
2. SAMBHAR LAKE
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QUESTION:-
write the fectors foe excessive solid waste genertion.

ANSWER:-
The activities associated with the management of municipal solid wastes from the point of generation to final disposal can be grouped into the six functional elements: (a) waste generation; (b) waste handling and sorting, storage, and processing at the source; (c) collection; (d) sorting, processing and transformation; 
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QUESTION:-
what are coliform bacteria?

ANSWER:-
Scientifically known as Escherichia coli, this species of coliform bacteria is usuallyharmless – minus a handful of toxic strains. Symptoms of infection include cramping,sudden and severe diarrhea, fatigue, andfever.

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QUESTION:-.
one example of gRAZING FOOD CHAIN?

ANSWER:-
The series of organisms of an ecosystem through which the food and energy present in it and passes with each member is called food chain. ... Basically there are two types of food chains: grazing food chain and detritus food chain. Grazing food chain starts with green plants which are the producers.

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