Ecosystem Factors Worksheet

Name:

Date:

🌿 Part 1: Abiotic and Biotic Factors

1. Circle all the abiotic (non-living) factors below:

Sunlight

Kangaroos

Soil temperature

Eucalyptus trees

Rainfall

Bacteria

2. Which Australian environment would have the LOWEST water availability?

Tropical rainforest

Coastal wetland

Arid desert

Temperate forest

3. List THREE biotic factors you might find in a Western Australian jarrah forest:

a) _________________________

b) _________________________

c) _________________________

4. How does temperature affect plant growth in ecosystems?

🔥 Part 2: Environmental Changes and Ecosystem Impact

5. A severe drought hits a grassland ecosystem. Predict what happens to:

Plant populations: ____________________________________

Herbivore populations: ____________________________________

Predator populations: ____________________________________

6. Australian bushfires can actually HELP some ecosystems. Explain why:

7. Which environmental change would INCREASE species diversity in a wetland?

Long-term drought

Increased water flow

Pollution runoff

Removal of all vegetation

8. A major flood occurs in a river ecosystem. Describe TWO immediate effects on the abiotic factors:

Effect 1: ________________________________________________

Effect 2: ________________________________________________

🧠 Part 3: Apply Your Knowledge

9. Design a simple investigation: How would you test if soil moisture affects plant growth?

What you would change: ____________________________

What you would measure: ____________________________

What you would keep the same: ________________________

10. Indigenous fire management helps maintain ecosystem health. Explain ONE way controlled burning benefits Australian bushland:

11. Challenge Question: Climate change is increasing average temperatures in Australia by 2-3°C. Predict how this might affect a coral reef ecosystem and explain your reasoning:

Ecosystem Factors Worksheet

Ecosystem Factors Worksheet

🌿 Part 1: Abiotic and Biotic Factors

🔥 Part 2: Environmental Changes and Ecosystem Impact

🧠 Part 3: Apply Your Knowledge

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