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AP Biology 8.2 B Explain How Energy Flows and Matter Cycles Through Trophic Levels Questions

Practise AP Biology 8.2.B questions by tracing energy through trophic levels and matter through water, carbon, nitrogen and phosphorus cycles.

Syllabus
Effective Fall 2025
Course
AP Biology

Exam points

  • trace energy flow through food webs and trophic levels and calculate transfer between levels
  • trace reservoirs and processes in the water, carbon, nitrogen and phosphorus cycles
  • predict how decomposers, human activities or environmental changes alter matter cycling and ecosystem conditions

AP Biology 8.2 B Explain How Energy Flows and Matter Cycles Through Trophic Levels Questions question 1

[Maximum number: 1]

Which of the following best describes the process by which gas from the atmosphere is obtained by plants and used to build lipids?

A

Gas is fixed by plants as part of the sulfur cycle.

B

Gas is fixed by plants as part of the nitrogen cycle.

C

Gas is directly obtained by plants as part of the carbon cycle.

D

Gas is directly obtained by plants as part of the magnesium cycle.

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