【科学60秒】海水酸化鱼儿敢死_英语听力练习mp3下载-自然-沪江听力酷

后台管理反馈贡献

【科学60秒】海水酸化鱼儿敢死

听力简介：

文章较难，大家听写填空即可~
More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally ____1____, according to a study in the Proceedings of the National Academy of Sciences.
Researchers used IPCC estimates of future CO2 emissions to ____2(1) seawater ____2(2)____ varying degrees of acidity, similar to what we might see in 50 to 100 years. Fish larvae raised on the most acidic batch of seawater ____3____ avoided predators at first, but soon were actually attracted to the predator's scent - probably due to some impairment of the olfactory system.
When those same fish were placed in experimental reefs near the Great Barrier Reef, they ____4____ safety, ____5____ the protective coral. And cruising predators snatched up nearly all of them within 30 hours. Over the same period, only 10 percent of the fish raised in seawater of today's acidity were eaten.
A disruption as big as climate change is bound to challenge numerous species. This study suggests that some challenges will be as unexpected as a cunning predator.