- Study guides, Class notes & Summaries

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...

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23 pages

Written in 2024/2025

Grade A+

HIGHQUALITYEDEXCELSOLUTIONS

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...

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17 pages

Written in 2024/2025

Grade A+

HIGHQUALITYEDEXCELSOLUTIONS

Pearson Edexcel International GCSE In Biology (4BI1) Paper 1B ,1BR ,2B and 2BR Mark Scheme Summer 2025

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4 items

HIGHQUALITYEDEXCELSOLUTIONS

Pearson Edexcel International GCSE In Biology (4BI1) Paper 1B Mark Scheme Summer 2025

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22 pages

Written in 2025/2026

Grade A+

HIGHQUALITYEDEXCELSOLUTIONS

Pearson Edexcel International GCSE In Biology (4BI1) Paper 1BR Mark Scheme Summer 2025

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31 pages

Written in 2025/2026

Grade A+

HIGHQUALITYEDEXCELSOLUTIONS

Pearson Edexcel International GCSE In Biology (4BI1) Paper 2B Mark Scheme Summer 2025

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23 pages

Written in 2025/2026

Grade A+

HIGHQUALITYEDEXCELSOLUTIONS

Pearson Edexcel International GCSE In Biology (4BI1) Paper 2BR Mark Scheme Summer 2025

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15 pages

Written in 2025/2026

Grade A+

HIGHQUALITYEDEXCELSOLUTIONS

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 ...

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24 pages

Written in 2024/2025

Grade A+

HIGHQUALITYEDEXCELSOLUTIONS