What is one way that an algal bloom can cause fish die-offs?
Answer: By releasing toxins which are ingested by the OR by using up all the oxygen in water, so that the fish die from lack of oxygen (either answer is acceptable)
Answer: By releasing toxins which are ingested by the OR by using up all the oxygen in water, so that the fish die from lack of oxygen (either answer is acceptable)
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.