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Examen
Pearson Edexcel International GCSE In Biology (4BI1) Paper 1B Mark Scheme JUNE 2024
Question Number 
Answer 
 
Mark 
1(a)(i) C (oak tree) A is not the answer as beetle is not the producer 
 
 B is not the answer as deer is not the producer D is not the answer as tick is not the producer 
 
1 
 
 
Question Number 
Answer 
 
Additional guidance 
Mark 
1(a)(ii) oak / tree caterpillar mouse tick (2) 
Allow 1 for correct order. No credit for pyramids 
 
2 
 
Question Number 
Answer ...
Examen
Pearson Edexcel International GCSE In Biology (4BI1) Paper 1BR Mark Scheme Summer 2025
PopularPearson Edexcel International GCSE 
In Biology (4BI1) Paper 1BR Mark Scheme Summer 2025
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Pearson Edexcel International GCSE In Biology (4BI1) Paper 1B ,1BR ,2B and 2BR Mark Scheme Summer 2025
Pearson Edexcel International GCSE In Biology (4BI1) Paper 1B ,1BR ,2B and 2BR Mark Scheme Summer 2025
Examen
Pearson Edexcel International GCSE In Biology (4BI1) Paper 1B Mark Scheme Summer 2025
Pearson Edexcel International GCSE In Biology (4BI1) Paper 1B Mark Scheme Summer 2025
Examen
Pearson Edexcel International GCSE In Biology (4BI1) Paper 2B Mark Scheme Summer 2025
Pearson Edexcel International GCSE 
In Biology (4BI1) Paper 2B Mark Scheme Summer 2025
Examen
Pearson Edexcel International GCSE In Biology (4BI1) Paper 2BR Mark Scheme Summer 2025
Pearson Edexcel International GCSE In Biology (4BI1) Paper 2BR Mark Scheme Summer 2025
Examen
Pearson Edexcel International GCSE In Biology (4BI1) Paper 2BR Mark Scheme JUNE 2024
Question Number 
Answer Mark 
1(a) 
• drowning / being washed overboard / sinking / storms / (bad) weather / attacked / killed by sharks by predators / eq (1) 
1 
 
 
Question Number 
Answer Mark 
1(b) An explanation that makes reference to three of the following points: 
 
1. only based on forecasts / model / not happened yet / can’t predict future / 30 years is a long way off / not guaranteed / eq (1) 
 
2. other (scientists) have different view / only an opinion / governmen...
Examen
Pearson Edexcel International GCSE In Biology (4BI1) Paper 2B Mark Scheme JUNE 2024
Question Number 
Answer Additional guidance 
Mark 
1(a) The only correct answer is B (1 and 3) 
A is incorrect as yeast has no nervous system 
C is incorrect as yeast has no nervous system 
 
D is incorrect as yeast has no nervous system 
 1 
 
 
 
 
Question Number 
Answer Additional guidance Mark 
1(b) An explanation that makes reference to three of the following: 
 
• competition (between megalodon and whales) (1) 
 
• whales ate more food / eq (1) 
 
 
 
 
• wha...