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Question 18M.1.SL.TZ1.17

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.SL.TZ1.17
Level SL Paper 1 Time zone TZ1
Command term Question number 17 Adapted from N/A
17.
[Maximum mark: 1]
18M.1.SL.TZ1.17

Animals in the highest trophic level of a food chain will often be the largest in body size but will be few in numbers. What accounts for the small numbers?

A. Food eaten by animals at the highest trophic level has a lower energy content per gram

B. Energy losses through the food chain

C. Conversion of heat energy into chemical energy

D. Biomass of producers is small

[1]

Markscheme

B

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