They are ecosystems packed with trees and vegetation that comprise an urban forest. They house birds, insects, small mammals, diverse ecological habitats, and more. They are connected to suburban and rural areas along ecological gradients.
it had allow more ways to trade and transport people
This statement is false.
The theory that states, as the question states, that there are many development centers that are there to meet different needs is not the Concentric Zone Theory but the <span>Multiple Nuclei Theory. The Concentric Zone Theory uses concentric rings to explain how the urban land is used.
</span><span>
</span>