Question

One concern that arises from building a dam is that fish are not able to migrate. One way that fish can gain passage to their destinations is by:
Select one:
a. fish ladders
b. fish trucks
c. fish boxes
d. fish escalators

Answer 1

The answer is A. fish ladders. Hope this helps :)

Answer 2

Answer:

a. Fish ladders

Explanation:

• A structure that allows the fish to pass over an obstacle in the river such as dams and thus, helps it to migrate is called a fish ladder.
• The fish ladder is mostly constructed in the form of small steps and the fish can swim and leap around these steps and reach onto the other side of the barrier.
• The fish ladder can of various types but its main purpose is to facilitate the migration of the fish that is hindered due to the building of artificial barriers such as dams.