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Question 19N.3.HL.TZ0.a

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Date November 2019 Marks available [Maximum mark: 2] Reference code 19N.3.HL.TZ0.a
Level HL Paper 3 Time zone TZ0
Command term Deduce Question number a Adapted from N/A
a.
[Maximum mark: 2]
19N.3.HL.TZ0.a

Feed conversion ratio (FCR) is the mass of animal feed in kilograms required for farmed animals to produce one kilogram of edible mass. For example, the FCR for salmon is 1.2 and for chicken is 2.2. Deduce the implication of these ratios for sustainability.

[2]

Markscheme

a. higher FCR implies less sustainability ✔ Do not accept efficiency instead of sustainability.

b. salmon based diet is more sustainable/chicken is less ✔

c. salmon diet would have lower energy losses/chicken diet higher energy losses ✔

d. salmon diet will produce less waste/chicken more✔

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