Practice Ecosystem Dynamics (5.4) - Chapter 5: Ecology and Welfare

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9 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define a food chain.
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Think about how energy flows from one organism to another.
Question 2.
What is a producer?
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Consider who makes food in an ecosystem.
3Question 3.
What is the sequence of consumption in a food chain starting from the producer?
- Producers → Secondary Consumers → Primary Consumers
- Producers → Primary Consumers → Secondary Consumers
- Primary Consumers → Producers
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Remember the order in which energy is transferred.
4Question 4.
True or False: Decomposers are classified as primary consumers.
- True
- False
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Think about what role decomposers play in the ecosystem.
Question 5.
Explain how the loss of decomposers in an ecosystem would affect the nutrient cycle and the organism population.
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Think about the roles of decomposers in recycling nutrients!
Question 6.
Develop an argument on how changes in human activities can improve or disrupt trophic levels in a given ecosystem.
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Consider both negative and positive impacts of human actions.

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