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LEARN · PRACTISE · DISCOVER

Food Webs Connect Many Chains

Read at your own pace. Try the practice, then continue your course.

Connect food chains into a web and see how organisms can have several food sources and predators.

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THE CURIOSI · EXPLORE & TRY

Two chains, one connected web

Explore the model, then test your understanding. Select each numbered stop to discover its role.

SeedsMouseGrassRabbitOwl
Two example energy paths share a predator. Species and local diets vary; this is not a complete meadow web.
1Seeds

Seeds can be eaten by a mouse in this example.

2Mouse

A mouse can be prey for an owl.

3Owl

An owl may eat mice and, for suitable species, small rabbits.

4Rabbit

A rabbit eats grass; some owls can eat young or small rabbits.

5Grass

Grass supplies food to the rabbit in this simplified web.

Simplified model: real ecosystems have more connections. Food-chain arrows show energy moving from food to eater; nutrient-cycle arrows describe material transfer.

Quick check · 3 questions

Choose one answer for each question, then check. Practice results stay on this page and do not change course completion.

1. Why is this a web?
2. Which direction should an arrow point?
3. If mice become scarce, what can we conclude?

Read the answer explanations
  1. A web connects more than one food chain through shared organisms.
  2. The mouse is food for the owl, so energy moves from mouse to owl.
  3. Alternative prey, habitat and other factors affect the outcome. A web supports questions, not exact predictions.

Explore further: NOAA: aquatic food webs.

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