Some birds have been seen to consume certain soils in what is called geophagy.In some cases,the soils help the birds digest toxins that occur in their diets.These birds eating soil represent a member of the

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Birds, as living organisms, are part of the biosphere, and the soil they consume is part of the lithosphere. This interaction illustrates a member of the biosphere (birds) consuming a component of the lithosphere (soil).

Some Birds Have Been Seen to Consume Certain Soils in What