Practice Objective A: Knowing and Understanding - 4.2.1 | Unit 4: Interconnectedness of Life: Ecosystems | IB MYP Grade 9 Biology
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4.2.1 - Objective A: Knowing and Understanding

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is ecology?

💡 Hint: Think about the definition related to living things.

Question 2

Easy

Define a population.

💡 Hint: Consider how individuals of one species live together.

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 component of an ecosystem includes all living organisms?

  • Biotic Factors
  • Abiotic Factors
  • Consumers

💡 Hint: Which term relates to living things?

Question 2

True or False: Decomposers are not vital for nutrient cycling.

  • True
  • False

💡 Hint: Think about what happens to dead plants and animals.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Explain how disruption in the nitrogen cycle could impact plant life in an ecosystem.

💡 Hint: Think about how plants use nitrogen.

Question 2

Analyze a local ecosystem's health based on its nutrient cycling. What indicators would you look for?

💡 Hint: Check for variety in species and signs of decomposition.

Challenge and get performance evaluation