食物网与相互依存
Food Webs & Interdependence
构建并解读食物网，展示生态系统中生物之间的相互依存关系，并解释某一种群数量变化对其他种群的影响。
Construct and interpret food webs showing the interdependence of organisms in an ecosystem, explaining how a change in one population affects others
学习证据 / Evidence
- 根据给定数据画出食物网，用箭头标出能量流动方向
- 预测当某一物种数量增加或减少时，另一个物种的种群数量会如何变化
- 能区分食物网和食物链，并解释为什么食物网更符合实际情况
- 能识别生产者、初级消费者、次级消费者和顶级捕食者
- Draws a food web from given data with arrows showing energy flow direction
- Predicts how the population of one species would change if another species increased or decreased
- Distinguishes a food web from a food chain and explains why webs are more realistic
- Identifies producers, primary consumers, secondary consumers, and apex predators
评估问题 / Assessment
如果让{{name}}看一张有很多动物用箭头连起来的图，{{name}}能解释它的含义吗——比如追踪谁吃谁——并预测如果其中一种动物消失，食物网会发生什么变化？
If {{name}} was shown a diagram with lots of animals connected by arrows, could they explain what it means — tracing what eats what — and predict what would happen if one animal disappeared from the web?