Exam (elaborations)
Pearson Edexcel Level 1/Level 2 GCSE (9–1) Combined Science 1SC0/2BF 2023 PAPER 4 Question Paper and Mark Question Paper and Mark Scheme Merged
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Figure 1 shows a bird called an egret on the back of a buffalo. (Source: © Jaromir Chalabala/Shutterstock) Figure 1 (a) (i) The egret eats parasites that live on the skin of the buffalo. Which term describes this relationship, where the buffalo and the egret both benefit? (1) A eutrophicati...
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