DP Biology (first assessment 2025)

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Question 19N.2.SL.TZ0.12a

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Date November 2019 Marks available [Maximum mark: 2] Reference code 19N.2.SL.TZ0.12a
Level SL Paper 2 Time zone TZ0
Command term Outline Question number a Adapted from N/A
a.
[Maximum mark: 2]
19N.2.SL.TZ0.12a
(a)

Outline how these results indicate that blackberry distribution is limited by light intensity.

[2]

Markscheme

a. as light level changes so does the percentage cover «of blackberry» ✔

b. distribution is higher at intermediate/moderate light intensities ✔ Accept appropriate numerical values

c. little growth at low light intensities
OR
little growth at high light intensities ✔ Accept appropriate numerical values

d. distribution is bell shaped ✔

Syllabus sections