Practice Ecosystems - 4 | Theme A: Unity and Diversity | IB Grade-12 Biology
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is natural selection?

πŸ’‘ Hint: Think about what traits help organisms survive.

Question 2

Easy

Define biodiversity.

πŸ’‘ Hint: Consider how many different species exist in an environment.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the process called where organisms better adapted to their environment survive?

  • Mutation
  • Natural Selection
  • Speciation

πŸ’‘ Hint: Think about which process helps species adapt.

Question 2

True or False: Biodiversity only refers to the number of species present in an ecosystem.

  • True
  • False

πŸ’‘ Hint: Consider all aspects of life in an ecosystem.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Describe a scenario where natural selection could lead to speciation. Include the environmental changes involved.

πŸ’‘ Hint: Think about geographic isolation and differing environments.

Question 2

Evaluate a conservation strategy that could be implemented to combat climate change's effect on biodiversity. Discuss its potential effectiveness.

πŸ’‘ Hint: Explore how reducing human impact can benefit ecosystems.

Challenge and get performance evaluation