Practice Keystone Species - 5.3 | Ecology and Ecosystems | IB MYP Class 10 Sciences (Group 4) - Biology (Core Units and Skills)
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Keystone Species

5.3 - Keystone Species

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a keystone species?

💡 Hint: Think about why they are called 'keystone'.

Question 2 Easy

Give an example of a keystone species.

💡 Hint: Consider animals that are crucial for ecosystem balance.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What role do keystone species play in ecosystems?

They are the most abundant species.
They have a large impact relative to their number.
They are top predators only.

💡 Hint: Think about what makes a species 'keystone'.

Question 2

True or False: All species in an ecosystem are equally important.

True
False

💡 Hint: Consider the definition of a keystone species.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Investigate a local ecosystem and identify any keystone species present. Discuss their roles and impacts.

💡 Hint: Consider predator-prey relationships and habitat influence.

Challenge 2 Hard

The removal of a specific keystone species led to ecological imbalance. Analyze the potential changes in community dynamics.

💡 Hint: Consider both direct and indirect effects on the ecosystem.

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