Log In Get Started

The learning loop

See all features →

Build understanding

Clear explanations. Connected ideas. Help when you need it.

Put it into practice

Try it, get feedback, and learn from every attempt.

Know what to work on next

See your progress and find a clearer next step.

Key Stage 3

Coming soon

GCSE

Biology
Chemistry
Physics
Biology (Combined)
Chemistry (Combined)
Physics (Combined)
Maths
Geography

IGCSE

Biology
Chemistry
Physics

A-Level

Biology
Chemistry
Physics

11+

Coming soon

Product

See all features →

Build understanding

Clear explanations. Connected ideas. Help when you need it.

Put it into practice

Try it, get feedback, and learn from every attempt.

Know what to work on next

See your progress and find a clearer next step.

Log In Get Started

Home Subjects Analytics SageAI Lessons Notes Flashcards Questions Feedback

Notes/IGCSE/Biology/Edexcel/Linear

Syllabus

Pearson Edexcel International GCSE (9–1) Biology (Linear) — 4BI1

- •Characteristics of living organisms1.1
- •Eukaryotic organisms1.2
  •Prokaryotic organisms1.3
  •Pathogens and viruses1.4
- •Sexual and asexual reproduction3.1
  •Fertilisation and embryo development3.2
  •Insect-pollinated and wind-pollinated flowers3.3
  •Fertilisation, seeds and fruits3.4
  •Practical: seed germination3.5
  •Food reserves in germinating seeds3.6
  •Asexual reproduction in plants3.7
  •Human reproductive systems3.8
  •Oestrogen and progesterone in the menstrual cycle3.9
  •FSH and LH in the menstrual cycle3.10B
  •The placenta3.11
  •Amniotic fluid3.12
  •Secondary sexual characteristics3.13
- •The genome and genes3.14
  •Genes and chromosomes3.15
  •DNA structure3.16B
  •RNA structure3.17B
  •Protein synthesis3.18B
  •Alleles3.19
  •Genetic terminology3.20
  •Codominance3.21B
  •Polygenic inheritance3.22
  •Monohybrid inheritance diagrams3.23
  •Family pedigrees3.24
  •Probabilities in monohybrid crosses3.25
  •Sex chromosomes3.26
  •Sex determination diagrams3.27
  •Mitosis and chromosome number3.28
  •Roles of mitosis3.29
  •Meiosis and haploid gametes3.30
  •Random fertilisation and genetic variation3.31
  •Human diploid and haploid chromosome numbers3.32
  •Genetic and environmental variation3.33
  •Mutations3.34
  •DNA changes and protein structure3.35B
  •Effects of mutations on phenotype3.36B
  •Radiation and chemical mutagens3.37B
  •Evolution by natural selection3.38
  •Antibiotic resistance3.39

Syllabus

Pearson Edexcel International GCSE (9–1) Biology (Linear) — 4BI1

- •Characteristics of living organisms1.1
- •Eukaryotic organisms1.2
  •Prokaryotic organisms1.3
  •Pathogens and viruses1.4
- •Sexual and asexual reproduction3.1
  •Fertilisation and embryo development3.2
  •Insect-pollinated and wind-pollinated flowers3.3
  •Fertilisation, seeds and fruits3.4
  •Practical: seed germination3.5
  •Food reserves in germinating seeds3.6
  •Asexual reproduction in plants3.7
  •Human reproductive systems3.8
  •Oestrogen and progesterone in the menstrual cycle3.9
  •FSH and LH in the menstrual cycle3.10B
  •The placenta3.11
  •Amniotic fluid3.12
  •Secondary sexual characteristics3.13
- •The genome and genes3.14
  •Genes and chromosomes3.15
  •DNA structure3.16B
  •RNA structure3.17B
  •Protein synthesis3.18B
  •Alleles3.19
  •Genetic terminology3.20
  •Codominance3.21B
  •Polygenic inheritance3.22
  •Monohybrid inheritance diagrams3.23
  •Family pedigrees3.24
  •Probabilities in monohybrid crosses3.25
  •Sex chromosomes3.26
  •Sex determination diagrams3.27
  •Mitosis and chromosome number3.28
  •Roles of mitosis3.29
  •Meiosis and haploid gametes3.30
  •Random fertilisation and genetic variation3.31
  •Human diploid and haploid chromosome numbers3.32
  •Genetic and environmental variation3.33
  •Mutations3.34
  •DNA changes and protein structure3.35B
  •Effects of mutations on phenotype3.36B
  •Radiation and chemical mutagens3.37B
  •Evolution by natural selection3.38
  •Antibiotic resistance3.39

Leaf adaptations for gas exchange

Edexcel·Biology·2.42B·Linear

Notes Coming Soon

The concept content for this specification point is being prepared. Check back soon.