需要很多种土生昆虫给当地植物授粉。
Many of the indigenous insects are needed to pollinate the local plants.
蜜蜂是食物链的重要组成部分，因为开花植物的授粉依赖于昆虫，而蜜蜂是最有效的授粉昆虫。
Bees are a critical part of the food chain because flowering plants depend on insects for pollination and the honeybee is the most effective.
实验表明，昆虫能充当苏铁科植物、罕见热带植物、棕榈状热带植物的授粉者。
Experiments show that insects can function as pollinators of cycads, rare, palmlike tropical plants.
比如动物吃某种植物，而这种植物依靠某种真菌从土壤中获取营养，依靠某种昆虫来授粉。
Like animals that eat a certain plant and that plant relies on a certain fungus to help it get nutrients from soil and on a certain insect for pollination.
大部分蟑螂喜欢更为传统的户外昆虫生活，它们可以帮助回收腐烂植被，帮植物授粉，甚至在一些情况下还会捕食害虫。
Most roaches prefer a more conventional insect life outdoors, where they help to recycle decaying vegetation, pollinate plants, and in some cases even prey on more harmful insects.
大部分蟑螂喜欢更为传统的户外昆虫生活，它们可以帮助回收腐烂植被，帮植物授粉，甚至在一些情况下还会捕食害虫。
Most roaches prefer a more conventional insect life outdoors, where they help to recycle decaying vegetation, pollinate plants, and in some cases even prey on more harmful insects.
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