FOOD WEB FOOD CHAIN The diagram of a food web | StudyX - Free Printable

Here’s the complete solution to the food web worksheet, with clear explanations for each question:

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1. State the main difference between a food chain and a food web.

✔ Answer:
A food chain shows a single, linear pathway of energy flow from one organism to another (e.g., plant → herbivore → carnivore).
A food web shows multiple interconnected food chains, illustrating how different organisms in an ecosystem are linked through various feeding relationships.

🔹 *Explanation:* Food chains are simple and isolated; food webs are complex and realistic, showing that most animals eat more than one type of food and are eaten by more than one predator.

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2. In the food chain: Grasses → Grasshoppers → Birds → Foxes

a) Name the producer:
✔ Grasses

b) Name the primary consumer:
✔ Grasshoppers

c) Name the secondary consumer:
✔ Birds

d) Name the tertiary consumer:
✔ Foxes

🔹 *Explanation:*
- Producers make their own food (usually plants via photosynthesis).
- Primary consumers eat producers (herbivores).
- Secondary consumers eat primary consumers (carnivores or omnivores).
- Tertiary consumers eat secondary consumers — top predators in that chain.

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3. Name an apex predator in the food chain.

✔ Foxes *(or Owls — both are top predators in this web)*

🔹 *Explanation:* An apex predator is at the top of the food chain and has no natural predators. In this diagram, Foxes and Owls are not eaten by any other animal shown — so either can be named as an apex predator.

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4. Name three herbivores in the food web.

✔ Rabbits, Mice, Grasshoppers

*(Note: Birds eat grasshoppers, but also grains — so they’re omnivores. Carrots and grasses are producers. So herbivores are those that eat only plants.)*

🔹 *Explanation:* Herbivores are animals that eat only plants. In this food web:
- Rabbits eat carrots and grasses.
- Mice eat grasses and grains.
- Grasshoppers eat grasses and grains.

All three are strictly plant-eaters in this diagram.

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5. Name three carnivores in the food web.

✔ Foxes, Owls, Birds

*(Note: While birds eat grains too, they also eat grasshoppers — making them omnivores. But since the question asks for carnivores, and birds do consume animals, they qualify. Alternatively, if strict carnivores are needed, you could say Foxes, Owls, and maybe “none others” — but in ecology, animals that eat meat are often called carnivores even if they eat some plants.)*

✔ Better answer if we want strict carnivores: Foxes, Owls — and since Birds eat insects (grasshoppers), they can still count as carnivores/omnivores.

🔹 *Explanation:* Carnivores eat other animals. In this food web:
- Foxes eat rabbits and birds.
- Owls eat mice and birds.
- Birds eat grasshoppers (insects).

So all three consume animals — thus they are carnivores (or at least partially carnivorous).

💡 *Optional clarification:* If your teacher expects only pure carnivores (no plant-eating), then Foxes and Owls are the clearest examples. Since there are only two pure carnivores, it’s acceptable to include Birds as they primarily act as carnivores here (eating insects).

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✔ Final Answers Summary:

1. A food chain is a single path; a food web is many interconnected chains.
2. a) Grasses b) Grasshoppers c) Birds d) Foxes
3. Foxes (or Owls)
4. Rabbits, Mice, Grasshoppers
5. Foxes, Owls, Birds

Let me know if you’d like a diagram explanation or printable version! 🌿🦊🦉