“Draw a grassland food chain with sunlight feeding grass, then grasshopper, frog, snake, and hawk, plus decomposers receiving dead grasshoppers, frogs, snakes, and hawks.”
図の背後にある意思決定を読み解く。
Begin with sunlight and grass.
Arrange animals from herbivore to top predator.
Point arrows from food to consumer.
Add decomposers for dead organisms.
Use this chain for a classroom example of energy transfer in a temperate grassland.
よくある質問
What is the producer in this chain?
Grass is the producer because it uses sunlight to make its own food.
Which way should food-chain arrows point?
Point arrows from the food source toward the organism that receives the energy.
Why include decomposers?
They break down dead organic matter and help return nutrients to the ecosystem.