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A birds building nest on a tree feeds up...

A birds building nest on a tree feeds upon the fishes in near by pond. Whether this bird is part of both i.e. tree as well as pond ecosystem.

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i.Yes, the bird becomes the part of both tree and pond ecosystem.
ii. Birds peched on trees feed upon the fishes in the nearby pond and are thus a part of the pond ecosystem.
iii. This bird builds its nest on a tree and hence is also a part of the tree ( terrestial) ecosystem.
iv. The role of bird in pond ecosystem can be explained by the following food chain `:`
Pond ecosystem `:`
`underset("(Producer)")("Algae")rarrunderset("(Primary consumer)")("Small fishes")rarrunderset("(Secondary consumer)")("Big fishes")rarr underset("(Tertiary consumer)")("Bird")`
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