All of the following are mentioned in this lesson as factors threatening the waters of southeastern Australia except: (1 point)

Responses

invasive species like the northern Pacific seastar
invasive species like the northern Pacific seastar

decreasing water temperature
decreasing water temperature

poor water quality
poor water quality

coral bleaching

Coral bleaching is not mentioned in the question as a factor threatening the waters of southeastern Australia.

The correct answer is coral bleaching. Coral bleaching is not mentioned in the lesson as a factor threatening the waters of southeastern Australia.

To determine the factor that is not mentioned in the lesson as a threat to the waters of southeastern Australia, we can analyze each option provided:

1. Invasive species like the northern Pacific seastar: This is mentioned in the lesson as a factor threatening the waters of southeastern Australia.

2. Decreasing water temperature: This is mentioned in the lesson as a factor threatening the waters of southeastern Australia.

3. Poor water quality: This is mentioned in the lesson as a factor threatening the waters of southeastern Australia.

4. Coral bleaching: This is mentioned in the lesson as a factor threatening the waters of southeastern Australia.

From the analysis, we can see that all of the options given are mentioned in the lesson as factors threatening the waters of southeastern Australia. Therefore, there is no option that is not mentioned in the lesson.