Atlantic Killifish

Chemicals such as DDT and Agent Orange have contaminated rivers in New Jersey so bad that residents can’t even eat fish from the rivers. The fact that these fish are still alive proves that evolution is not a theory, but a reality. The Atlantic killifish can tolerate toxic waters and have adapted to these horrible conditions. These fish were able to form a dna strand of their own that let them survive. They reproduced and started a new species of killifish that can tolerate toxins in the water. These fish might be safe now but when and if the water ever gets clean the could all die because their bodies are used to the toxins and won’t be able to change back to the way they were before. I believe that what these fish have been able to do