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River Food Chain Energy

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River Food Chain Energy

New Zealand river ecosystem with fish, insects and plants

🌊 Part 1: Understanding Food Chains

What is a food chain? A food chain shows how energy moves from one living thing to another in nature. Energy starts from the sun and flows through plants and animals.

Key Words / Kupu Māori:

Producer (Kaiwhakaputa) - Makes its own food from sunlight

Consumer (Kaikino) - Eats other living things for energy

Predator (Kaikino) - Hunts and eats other animals

1. Circle the correct answer: Where does all energy in a food chain start?

The sun

The water

The soil

2. Match each organism to its role in the food chain:
River plants (rākau awa)
Small fish (ika iti)
Large trout (tarauta)
Predator
Producer
Consumer

🐟 Part 2: New Zealand River Food Chain

3. Put these organisms in the correct food chain order by writing 1, 2, 3, 4:

___ Large trout (tarauta) - eats smaller fish

___ River plants (rākau awa) - make food from sunlight

___ Insect larvae (iro pepeke) - eat plants

___ Small fish (ika iti) - eat insects

4. Fill in the blanks using these words: producer, consumer, predator

River plants are a _____________ because they make their own food.

Insect larvae are a _____________ because they eat plants.

Large trout are a _____________ because they hunt other fish.

5. Circle TRUE or FALSE:

Energy flows from plants to animals:

TRUE
FALSE

All animals are predators:

TRUE
FALSE

Plants need sunlight to make food:

TRUE
FALSE

🎨 Part 3: Show Your Understanding

6. Draw arrows to show how energy moves through this river food chain:

SUN → RIVER PLANTS → INSECT LARVAE → SMALL FISH → LARGE TROUT

(Draw arrows between each organism to show energy flow)

7. Explain in your own words: Why do we need producers in a food chain?
8. What might happen to the small fish if all the river plants disappeared?

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