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IB Biology SL 4.2.8 Heterotrophic nutrition Question Bank

Practise IB Biology SL 4.2.8 by identifying heterotrophs and explaining their sources of organic nutrients.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Distinguish heterotrophic nutrition from autotrophic nutrition.
  • Identify detritivores and other heterotrophs from feeding examples.

C4.2.8—Heterotrophs question 1

[Maximum number: 1]

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 C4.2.8—Heterotrophs question 1 — IB Biology SL

State with a reason whether pangolins are autotrophic or heterotrophic.

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