Practice Energy Flow And Nutrient Cycling (5.2.3) - Chapter 5: Ecology and Welfare

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9 questions

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3 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.
What is energy flow?
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Think about where the energy originates.
Question 2.
Name one type of producer.
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What are examples of organisms that make their own food?
3Question 3.
What is the primary source of energy in an ecosystem?
- The sun
- Water
- Soil
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Think about what is needed for plants to grow.
4Question 4.
True or False: Decomposers play a critical role in nutrient cycling.
- True
- False
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Consider what happens to dead organisms in nature.
Question 5.
Analyze a hypothetical ecosystem consisting of grass, rabbits, and foxes. If grass produces 1000 J of energy, how much energy is available to the rabbits, the foxes, and what is ultimately lost as heat?
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Use the 10% Energy Rule as your guide.
Question 6.
If nitrogen is essential for plant growth, discuss the implications of agricultural practices that disrupt nitrogen cycling.
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Consider how nutrients are made available to plants and what happens if they are lacking.

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