The Impact of Global Warming on Fisheries

How does global warming affect fish populations?

A. Decreases oxygen levels in water

B. Changes in ocean currents

C. Increases water acidity

D. All of the above

Your choice: D

Answer:

D. All of the above

Global warming has a significant impact on fish populations worldwide. One of the ways it affects them is by decreasing oxygen levels in water. As temperatures rise, the amount of dissolved oxygen in the water decreases, making it harder for fish to breathe.

In addition, global warming can lead to changes in ocean currents, which can disrupt the migration patterns of fish and affect their food sources. This can result in fish populations declining in certain areas.

Furthermore, the increase in water acidity caused by global warming is harmful to many marine species, including fish. Acidification can weaken fish eggs and larvae, making them more vulnerable to predators and reducing their chances of survival.

Therefore, the multiple effects of global warming on fish populations highlight the urgent need for action to address climate change and protect marine ecosystems.

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