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Question 18M.3.SL.TZ2.4b.ii

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.3.SL.TZ2.4b.ii
Level SL Paper 3 Time zone TZ2
Command term Identify Question number b.ii Adapted from N/A
b.ii.
[Maximum mark: 1]
18M.3.SL.TZ2.4b.ii

The graph shows the energy consumption of photoreceptors in three different species of fly (Drosophila melanogaster, Drosophila virilis and Sarcophaga carnaria) at the mean of the highest transmission rate for each species at rest and while sending a nerve signal (signalling).

(b.ii)

Identify the species with photoreceptors that have the fastest signalling transmission rate.

[1]

Markscheme

S. carnaria / Sarcophaga carnaria

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