Ferocious Food Chain Worksheets: Free and Easy Print! - The Simple ... - Free Printable

Let's solve the food web problem step by step using the image provided.

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Understanding the Food Web

In a food web:
- Producers make their own food (usually through photosynthesis).
- Primary consumers eat producers.
- Secondary consumers eat primary consumers.
- Tertiary consumers eat secondary consumers.
- Arrows show the flow of energy (from eaten to eater).

Here’s what we see in the diagram:

1. Plants → Grass and flowers
2. Grasshopper eats plants
3. Rabbit eats plants
4. Bird eats grasshopper
5. Snake eats bird and rabbit
6. Owl eats snake and rabbit
7. Fox eats rabbit

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Now, let’s answer each question:

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1. What is the only producer in this picture?

✔ Answer: The plants (flowers and grass).

> Explanation: Producers are organisms that make their own food using sunlight (photosynthesis). In this food web, only the plants are capable of producing their own food. All other animals depend on them directly or indirectly.

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2. What are the two primary consumers in this food web?

✔ Answer: The rabbit and the grasshopper.

> Explanation: Primary consumers are herbivores that eat producers (plants). Both the rabbit and the grasshopper feed directly on plants.

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3. Which animals are secondary consumers?

✔ Answer: The bird, snake, and fox.

> Explanation:
- The bird eats the grasshopper (a primary consumer) → so it's a secondary consumer.
- The snake eats the bird (secondary consumer) and the rabbit (primary consumer), so it is both a secondary and tertiary consumer.
- The fox eats the rabbit (primary consumer) → so it's a secondary consumer.

> ✔ So, bird, snake, and fox are all secondary consumers (some are also higher-level consumers).

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4. Which animal does not have a predator? What is that kind of animal called?

✔ Answer: The owl does not have a predator. This kind of animal is called an apex predator.

> Explanation: The owl is at the top of the food chain. It eats the snake and rabbit but is not eaten by any other animal shown in the web. Animals at the top with no natural predators are known as apex predators.

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5. What would happen if the bunny population suddenly disappeared?

✔ Answer: The fox, snake, and owl would lose a major food source and might decrease in number. The plants might grow more because there would be less grazing.

> Explanation:
- Rabbits are a key food source for the fox, snake, and owl.
- If rabbits disappear, these predators may struggle to find enough food, leading to a decline in their populations.
- At the same time, with fewer rabbits eating the plants, plant growth could increase.

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6. What would happen if the owls went extinct?

✔ Answer: The snake population might increase because they would have fewer predators. This could lead to a decrease in birds and rabbits, which snakes eat.

> Explanation:
- Owls are predators of snakes and rabbits.
- Without owls, snakes would survive better and reproduce more → increasing their numbers.
- More snakes mean more predation on birds and rabbits → those populations might drop.
- This shows how removing one species can cause ripple effects in the ecosystem.

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✔ Final Answers Summary:

1. Producer: Plants
2. Primary consumers: Rabbit and grasshopper
3. Secondary consumers: Bird, snake, fox
4. No predator: Owl; called an apex predator
5. If bunnies disappear: Foxes, snakes, and owls may decrease; plants may increase
6. If owls go extinct: Snakes may increase; birds and rabbits may decrease

Let me know if you'd like this turned into a printable worksheet or need help drawing the food web!