Question

what is ecosystem? what are the two main components? we do not clean natural Ponds on lake but an aquarium needs to be cleaned regularly why is it so explain

Answer 1

here is your answer.
I hope it help you.
ecosystem =the flora and fauna live together with their physical environment. the main two component are flora and fauna.

Answer 2

ecosystem: it is a place where all the living components along with non living things together support life.
There are two component of ecosystems:
1. biotic
2. abiotic
it has to be cleaned because it is man made