Energy and Ecosystems

Looks at energy transfere, food production and pest control. 

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1. Which of these is not a pest control measure?

  • Vacuuming
  • Fertiliesr
  • Natural preditors
  • Pest resistant plants
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2. What is on the first trophic level

  • Bird
  • Producer
  • Fox
  • Consumer

3. What is it called when extra fertilizers has no impact on yield?

  • Rubbish fertilizer
  • Law of diminishing returns
  • Limiting factor

4. What is a decomposer?

  • Breaks down dead matter
  • An enzyme that breaks down dead matter
  • A creature with a mouth

5. An advantage of inorganic fertilizers?

  • Adds extra organic matter
  • Soluble so has a quick effect
  • Doesn't leach

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