Drag each tile to the correct box.

Question

Match each modification to its effect on an ecosystem.
Many desert regions in the West were transformed
into lush urban areas and farmlands.
Water bodies in the Owens Valley and its
surrounding areas began to dry up.
Runoff containing disease-carrying organisms
contaminated soil and caused water pollution.
construction of the Los Angeles aqueduct
arrowRight
construction of large highways
arrowRight
damming of the Colorado River

Answer 1

Sure! Here’s how each modification matches with its effect on the ecosystem:

1. Construction of the Los Angeles aqueduct

   • Many desert regions in the West were transformed into lush urban areas and farmlands.

2. Construction of large highways

   • Water bodies in the Owens Valley and its surrounding areas began to dry up.

3. Damming of the Colorado River

   • Runoff containing disease-carrying organisms contaminated soil and caused water pollution.

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