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Question 17N.2.SL.TZ0.04b

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.2.SL.TZ0.04b
Level SL Paper 2 Time zone TZ0
Command term Outline Question number b Adapted from N/A
b.
[Maximum mark: 1]
17N.2.SL.TZ0.04b
(b)

Outline why the number of trophic levels is limited in a food chain.

[1]

Markscheme

energy losses between trophic levels

OR

only part of the energy in one trophic level will become part of the next trophic level

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