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Question 20N.2.SL.TZ0.2b

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.2.SL.TZ0.2b
Level SL Paper 2 Time zone TZ0
Command term Outline Question number b Adapted from N/A
b.
[Maximum mark: 1]
20N.2.SL.TZ0.2b

The photomicrograph below shows the protozoan Paramecium caudatum.

[Source: Deuterostome, CC BY-SA 3.0
https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons.]

(b)

Outline the method of nutrition carried out by P. caudatum.

[1]

Markscheme

heterotroph/consumer as it feeds on bacteria/algae/yeast/smaller single celled organisms
OR
heterotroph/consumer as it does not have chloroplasts

Heterotrophic must be qualified.