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HEC ETC - USAT M Entry Test - Biology - Ecosystem - Quiz 2

Practice 10 high yield MCQs on Biology from Chapter Ecosystem for USAT M Entry Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 2 of the series.

11. How does a food web affect ecosystem stability?



12. What does a food web show?



13. What happens when a top predator is removed from a food web?



14. What is an ecological pyramid?



15. Which ecological pyramid shows the number of individuals?



16. Which ecological pyramid shows the amount of living matter?



17. Which ecological pyramid is always upright?



18. How does the number of organisms change in a pyramid of numbers?



19. How does matter cycle through an ecosystem?



20. What cycle involves the movement of carbon?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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