Warm up the big ideas
Before you build your own ecosystem, let's warm up the big ideas from this strand. This is practice — it is not marked.
Practice questions
Q1. Write the role of each living thing: producer, consumer or decomposer.
| Living thing | Role |
|---|---|
| Gum tree | |
| Rock wallaby | |
| Mushroom | |
| Wedge-tailed eagle | |
| Earthworm |
Q2. Fix the arrows. This chain has the arrows the wrong way. Rewrite it with the arrows pointing to the eater.
grass ← rock wallaby ← wedge-tailed eagle
Q3. Finish the sentence: Energy in a food chain always starts with the…
Q4. Quick check — tick what a decomposer does.
☐ Makes its own food from the Sun
☐ Breaks down dead things and returns nutrients to the soil
☐ Only eats other animals
Q5. Plan ahead: jot two producers, two consumers and one decomposer you might use in your ecosystem task.