Ecological Interactions · Ecology

Energy Flow and Nutrient Cycling

Tracing the movement of matter and energy through trophic levels and biogeochemical cycles.

Key Questions

  1. 1How does the 10 percent rule of energy transfer limit the length of food chains?
  2. 2What are the consequences of disrupting the nitrogen or carbon cycles on a global scale?
  3. 3How do keystone species maintain the structural integrity of an entire ecosystem?

Common Core State Standards

HS-LS2-3HS-LS2-4
Grade: 12th Grade
Subject: Biology
Unit: Ecological Interactions
Period: Ecology

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