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Question 18M.3.HL.TZ1.e

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Date May 2018 Marks available [Maximum mark: 2] Reference code 18M.3.HL.TZ1.e
Level HL Paper 3 Time zone TZ1
Command term Explain Question number e Adapted from N/A
e.
[Maximum mark: 2]
18M.3.HL.TZ1.e

Explain the consequences of biomagnification.

[2]

Markscheme

a. chemicals (non-degradable) accumulate along the food chain becoming more concentrated at each successive trophic level 

b. negative effects of organisms high in food chain 

c. toxic effects/death/ thin egg shells/other valid example

Accept specific examples of chemicals.

Syllabus sections