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IB Biology HL B4.2.5 Mixotrophic Nutrition Questions

Practise reading Euglena's feeding and carbon-source clues and using energy-flow diagrams to identify mixotrophic nutrition in IB Biology HL B4.2.5.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Identify Euglena, Prorocentrum or Micromonas as mixotrophs from feeding and energy-flow evidence.

IB Biology HL B4.2.5 Mixotrophic Nutrition Questions question 1

[Maximum number: 1]

The diagram shows the flow of energy between some Arctic species.

Figure for Question IB Biology HL B4.2.5 Mixotrophic Nutrition Questions question 1 — IB Biology HL

Which organism is a mixotroph?

A

Bacteria

B

Nanoflagellates

C

Micromonas

D

Copepods

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