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IB Biology SL C4.2.10 Trophic Levels Questions

Trophic levels classify organisms as producers, primary consumers and higher consumers. In IB Biology SL C4.2.10, use feeding relationships to work out an organism’s level and recognize that omnivores and decomposers may feed across more than one level.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Deduce an organism’s trophic level by tracing its feeding relationships from producers through the organisms it eats.
  • Explain how an omnivore can occupy more than one trophic level because it feeds on organisms from different levels.

IB Biology SL C4.2.10 Trophic Levels Questions question 1

[Maximum number: 2]

The Chinese pangolin (Manis pentadactyla) is a critically endangered species that has declined in numbers by 80 % since 2000. It inhabits both forest and grassland, where it uses long, powerful claws to open ant and termite nests and ingests the insects using a long, sticky tongue.

Figure for Question IB Biology SL C4.2.10 Trophic Levels Questions question 1 — IB Biology SL

Explain what information is needed to find the trophic level of pangolins.

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