Practice Keystone Species (5.3) - Ecology and Ecosystems - IB MYP Class 10 Sciences (Group 4)

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9 questions

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6 sample questions

Question 1.
What is a keystone species?
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Think about why they are called 'keystone'.
Question 2.
Give an example of a keystone species.
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Consider animals that are crucial for ecosystem balance.
3Question 3.
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.
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Think about what makes a species 'keystone'.
4Question 4.
True or False: All species in an ecosystem are equally important.
- True
- False
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Consider the definition of a keystone species.
Question 5.
Investigate a local ecosystem and identify any keystone species present. Discuss their roles and impacts.
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Consider predator-prey relationships and habitat influence.
Question 6.
The removal of a specific keystone species led to ecological imbalance. Analyze the potential changes in community dynamics.
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Consider both direct and indirect effects on the ecosystem.

5 more questions in this section. Enroll free to practise them all.