Final answer:
The central idea of the text is that orchids trick insects into assisting pollination.
Step-by-step explanation:
Central Idea of the Text
The central idea of the text is that orchids use different strategies to trick insects into assisting pollination. While many flowers attract pollinators with food rewards, some orchids have evolved to attract pollinators through food deception. For example, the green-winged orchid emits a strong scent that attracts bumblebees, which then inadvertently pick up pollen and transport it to another flower.