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ecology · biology education

Grassland food chain

A grassland food chain follows one possible route for energy through an ecosystem. Sunlight supports grass, the producer. A grasshopper eats the grass, then a frog eats the grasshopper, a snake eats the frog, and a hawk eats the snake. The arrows point from the organism being eaten toward the consumer, which shows the direction energy moves. Decomposers receive organic matter from organisms that die and return nutrients to the ecosystem. This is a simplified chain: real grasslands contain many overlapping feeding relationships. Use it to introduce trophic levels before expanding the lesson into a food web.

種類 フローチャート規格 Sugiyama layered DAG + orthogonal routingエンジン schematex-flowchart更新日 2026/9/24
Grassland energy flow
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依頼内容

“Draw a grassland food chain with sunlight feeding grass, then grasshopper, frog, snake, and hawk, plus decomposers receiving dead grasshoppers, frogs, snakes, and hawks.”

次はこちらAdd a mouse that eats grass.Change the top predator to an owl.
この図に含まれるもの

図の背後にある意思決定を読み解く。

01Producer first

Begin with sunlight and grass.

02Consumer order

Arrange animals from herbivore to top predator.

03Energy direction

Point arrows from food to consumer.

04Decomposition

Add decomposers for dead organisms.

Use this chain for a classroom example of energy transfer in a temperate grassland.

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よくある質問

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.