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4. ECOSYSTEM AND BIODIVERSITY
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Practice test
12 questions on this section. Wrong answers show you what to read again.
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Revision test
Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
5 cards from this lesson. Good the night before a test.
Try these first
- 1.
Define an ecosystem in your own words.
Hint
Think about the organisms and their habitat.
- 2.
List three abiotic components of an ecosystem.
Hint
Consider non-living factors that affect life.
- 3.
What is an ecosystem?
- A community of living organisms and their physical environment
- Only plants and animals
- A group of species in the same area
Hint
Think about all living and non-living parts.
- 4.
True or False: Energy flows in a cyclical manner in ecosystems.
- True
- False
Hint
Consider how energy moves through food chains.
- 5.
Explain a scenario where ecological succession might be beneficial after a natural disaster.
Hint
Consider the role of pioneer species.
- 6.
Illustrate the impact of energy loss from producers to tertiary consumers, using a hypothetical food chain.
Hint
Think about how energy transfer works in ecosystems.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
2 more questions available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting