Practice Energy Flow (4.1.2) - Ecology - IB 12 Biology
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Energy Flow

Practice - Energy Flow

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the role of producers in an ecosystem?

💡 Hint: Think about who creates food in nature.

Question 2 Easy

Define a food chain.

💡 Hint: Consider it a one-way street of energy transfer.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary source of energy for ecosystems?

Water
Sunlight
Soil

💡 Hint: Think about what plants need to grow.

Question 2

True or False: 90% of energy is retained at each trophic level.

True
False

💡 Hint: Remember the energy loss principle.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider an ecosystem where a new predator is introduced. How might this affect the energy flow and populations of the existing organisms?

💡 Hint: Think about how food chains are interconnected.

Challenge 2 Hard

Design an experiment to measure the impact of removing a top-level predator on a food web. What would you assess?

💡 Hint: Consider what happens when one part of the chain is removed.

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Reference links

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