A hydroelectric dam is shown above with a modification to mitigate negative impacts on wildlife. Which explanation best describes how this modification benefits wildlife in and around the dammed area?

Question

Responses

A It provides a roosting opportunity for migratory birds.It provides a roosting opportunity for migratory birds.

B It provides an area where fresh and saltwater mix, which increases biodiversity.It provides an area where fresh and saltwater mix, which increases biodiversity.

C It provides a fish ladder for migrating aquatic species to continue the journey upstream.It provides a fish ladder for migrating aquatic species to continue the journey upstream.

D It provides a location for commercial fisherman to collect fish so that native populations can be left intact.

Answer 1

The explanation that best describes how the modification benefits wildlife in and around the dammed area is:

C It provides a fish ladder for migrating aquatic species to continue the journey upstream.

A fish ladder is designed specifically to help fish and other aquatic organisms bypass the dam, allowing them to migrate and access upstream habitats for spawning, which is critical for maintaining healthy fish populations and overall ecological balance.