An ecosystem with wet soil, willow trees, and orchids is likely

An ecosystem with wet soil, willow trees and orchids is likely a swamp. A swamp is actually a wetland that is forested. This kind of wetland supports a huge number of animals and plants. Most of the swamps are found near big rivers and they are dependent on the tide of the rivers. I hope this helps.

Answer the use of flood plains and irrigation;

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