Practice How Ecosystems Work - 3 | 3. How Ecosystems Work | ICSE Class 9 Environmental Science
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How Ecosystems Work

3 - How Ecosystems Work

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary source of energy for ecosystems?

💡 Hint: Think about what plants use to create energy.

Question 2 Easy

What type of organisms are known as producers?

💡 Hint: These organisms create their own food.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary energy source for most ecosystems?

The Moon
The Sun
The Earth

💡 Hint: Consider which celestial body provides light and warmth.

Question 2

True or False: Decomposers only exist in food chains, not food webs.

True
False

💡 Hint: Think about where nutrients come from after an organism dies.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a food web using specific organisms you've learned (e.g., grass, rabbit, fox). Explain the connections and energy flow.

💡 Hint: Draw arrows to show who eats whom.

Challenge 2 Hard

Investigate a local ecosystem's biodiversity and discuss how it contributes to the ecosystem's resilience.

💡 Hint: Consider how more species can help some survive in tough times.

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