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How do changes in water temperature around a dam affect the ecosystem in the area?

A

The ecosystems in an area surrounding a dam tend to be healthier. Plants grow faster and other organisms tend to grow larger.

B

Warming or cooling the natural river affects the amount of dissolved oxygen in it. Altering natural seasonal changes in temperature can also disrupt the lifecycles of aquatic creatures.

C

Changes in water temperature can affect the migration of fish and water fowl.

D

Changes in water temperature can kill plants that live at the water's edge and cause genetic mutations in amphibians that lay their eggs there.

E

Changes in water temperature can attract predators to a river ecosystem. This can lead to significant decreases in prey populations.

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