Importance of Pollinators
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In today's lecture, we will discuss the role of pollinators in our ecosystem. Pollinators like bees, butterflies, and birds are critical for plant reproduction. They transfer pollen from the male parts of a flower to the female parts, which allows seeds to form. This process is essential not only for flowering plants but also for the production of many fruits and vegetables that we consume. In fact, about one-third of the food we eat relies on pollinators. Professor Jane Smith highlighted how environmental changes, such as pesticide use and habitat destruction, have adversely affected pollinator populations. The decline of these species has serious implications, not only for food supply but also for biodiversity. Thus, protecting pollinators is crucial for maintaining healthy ecosystems. She concluded the lecture by encouraging everyone to plant native flowers and reduce pesticide usage in their gardens, as these actions can help support local pollinator populations.
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.
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