DP Biology (last assessment 2024)

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Question 19M.3.HL.TZ1.15a

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.HL.TZ1.15a
Level HL Paper 3 Time zone TZ1
Command term Outline Question number a Adapted from N/A
a.
[Maximum mark: 1]
19M.3.HL.TZ1.15a

The illustration shows a Gersmehl diagram of the taiga biome.

[Source: adapted from P J Gersmehl]

(a)

Outline what is represented by the arrows in the Gersmehl diagram. 

[1]

Markscheme

nutrient flow ✔

Examiners report

This question was not answered well. The answers indicated that Gersmehl diagrams are not covered in detail in many classes, as few students demonstrated the knowledge required to answer these questions. Many candidates confused “energy” with “nutrients.”

Syllabus sections