Listen carefully to the following lecture by an environmental scientist discussing the effects of plastic pollution on marine life.
Professor: Today, we’re focusing on a critical issue that affects marine ecosystems globally: plastic pollution. Every year, millions of tons of plastic end up in our oceans, causing severe harm to marine organisms. For example, sea turtles often mistake plastic bags for jellyfish, leading to ingestion that can be fatal. Not only do these animals suffer, but the entire food web becomes compromised. Surprisingly, microplastics, tiny plastic particles that result from the breakdown of larger plastic items, can also enter the digestive systems of fish, which poses risks to human health when those fish are consumed. Mitigating plastic pollution requires a multifaceted approach, involving policy changes, educational outreach, and innovative recycling technologies.
Professor: In conclusion, addressing plastic pollution is not merely an environmental issue; it is also a public health concern and calls for collective action from individuals, governments, and organizations worldwide.
Note: This question has been adapted from its original format to accommodate a reading-based version. In the official TOEFL exam, speaking and listening sections require verbal responses and audio prompts, which are not represented here. Please note that this adaptation may not fully reflect the nature or difficulty of the official exam. The audio feature for these sections will be available soon.