IB Biology HL C4.2.10 Trophic Levels Questions

Deduce trophic positions in complex food webs and analyse how omnivory, detritivory, parasitism and multiple prey or hosts create multi-level classification in IB Biology HL C4.2.10.

Exam points

Deduce and justify trophic levels for named organisms by tracing producer-to-consumer feeding paths through a complex food web.
Analyse how omnivory, detritivory, parasitism or multiple prey and hosts place an organism across more than one trophic level and make classification ambiguous.

[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.

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

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IB Biology HL C4.2.10 Trophic Levels Questions question 1