How living things transmit information生物是怎样传递信息的 Prepare a magnifying glass, sugar, bowl, sponge, and moth balls.准备放大镜、糖、碗、海绵、樟脑球。 Select a colony of ants as an object of observation.选定一窝蚂蚁作为观察对象。 How do ants and bees transmit information?蚂蚁、蜜蜂怎样传递信息? Observe the way ants transmit information.观察蚂蚁传递信息的方式。 How do ants tell their companions where there is food?蚂蚁怎样告诉同伴哪里有食物呢? Draw a line with a moth ball to separate the paths...用樟脑球画条线隔断路… Sugar Bowl糖碗 Observe the way bees transmit information.观察蜜蜂传递信息的方式。 When a bee finds a new source of nectar, it returns to its nest and dances excitedly.蜜蜂发现新的蜜源,会返回峰巢并兴奋地跳舞。 The pattern of movement not only conveys information about the amount of food, but also contains information about the distance and direction of the nectar source from the hive.它的动作模式不仅传达了有关食物数量的信息,而且包含蜜源离蜂房的距离及方向等信息。For example, dancing a "8" means the nectar source is far from the hive; dancing a circle means the nectar source is close to the hive.例如:跳“8字舞表示蜜源距蜂巢较远;跳圆圈舞表示蜜源距蜂巢较近 How do other organisms transmit information?其他生物怎样传递信息? What do the ways in which organisms transmit information teach us?生物传递信息的方式给我们什么启示? |
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