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Ecosystems: Energy Flow, Food Webs, and Trophic Levels — Homework

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Ecosystems: Energy Flow, Food Webs, and Trophic Levels — Homework

Review trophic levels and the 10 percent rule before answering.

  1. 1.In a food chain of grass, grasshopper, bird, hawk, name the producer.
  2. 2.If producers hold 8,000 units of energy, roughly how much energy reaches the primary consumer level, applying the 10 percent rule?
  3. 3.Explain the role of decomposers in an ecosystem.
  4. 4.Explain why food chains rarely extend past four or five trophic levels.
  5. 5.Describe a simple food web with at least six organisms and identify two different food chains embedded within it.
🌲 Homeschool of the FutureNinth Grade · Science · week 31 homework