Question

read the passage. saving sea turtles small - scale fishing performed with nets is one of the most common fishing around the world. one of the unfortunate side effects of this method is that which are considered threatened, get caught in the nets along with the fish. biologists at the university of exeter in england recently devised a way to pr sea turtle deaths, which they tested at a fishery in northern peru. they found attaching green led lights to the nets warned the turtles away, possibly beca lights made the nets more visible. the number of sea turtle deaths was reduc number of fish caught seemed to remain the same. what is the main, or central, idea of the passage? to prevent turtles from becoming caught in fishing nets, conservation biologists attached led lights to the nets. conservation biologists are researching ways to save the threatened sea turtle population. one problem with small - catch fishing is that sea turtles get caught along with fish.

Explanation:

The passage first mentions the problem of sea - turtles getting caught in small - scale fishing nets, and then focuses on how conservation biologists are researching ways (attaching green LED lights to nets) to save the threatened sea - turtle population. The first option only focuses on the prevention method, and the third option only mentions the problem. The main idea encompasses both the problem and the research for a solution.

Answer:

Conservation biologists are researching ways to save the threatened sea turtle population.