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Biology Revision

Cells, genetics, natural selection, health & disease, plants, animal coordination & ecosystems — part of Edexcel GCSE Science on KODO.

Edexcel

Biology is part of the Pearson Edexcel GCSE Combined Science (1SC0) specification. It is assessed in your GCSE exams, so secure knowledge here feeds straight into your final grade.

This topic includes subtopics such as Cells, Genetics, Natural selection, Health and more. Each area is tested with multiple-choice questions that include detailed explanations to deepen your understanding.

Quick Reference

CellsKey area within Biology
GeneticsKey area within Biology
Natural selectionKey area within Biology
HealthKey area within Biology

Key Definitions

Cells
A key concept within Biology (Edexcel GCSE Science). Covered in the national curriculum and assessed in exams.
Genetics
A key concept within Biology (Edexcel GCSE Science). Covered in the national curriculum and assessed in exams.
Natural selection
A key concept within Biology (Edexcel GCSE Science). Covered in the national curriculum and assessed in exams.
Health
A key concept within Biology (Edexcel GCSE Science). Covered in the national curriculum and assessed in exams.
Disease
A key concept within Biology (Edexcel GCSE Science). Covered in the national curriculum and assessed in exams.

What You'll Cover

Cells
Genetics
Natural selection
Health
Disease
Plants
Animal coordination
Ecosystems

Test Yourself — Biology

Try 3 quick questions. No account needed.

Quick Quiz

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Memory Tricks & Mnemonics

Create flashcards for each Biology subtopic

Active recall is proven to be more effective than re-reading notes.

Use spaced repetition — review after 1 day, 3 days, 7 days, 14 days

KODO's built-in spaced repetition system schedules reviews automatically.

Frequently Asked Questions

What does Biology cover in Edexcel GCSE Science?+
Biology in Edexcel GCSE Science covers Cells, Genetics, Natural selection, Health, Disease, Plants, Animal coordination, Ecosystems. Cells, genetics, natural selection, health & disease, plants, animal coordination & ecosystems.
What is the best way to revise Biology?+
Test yourself rather than re-reading notes. Do a short Biology quiz, read the explanation for every answer you get wrong, then come back to those questions a few days later. KODO does this automatically with spaced repetition, and you can turn any topic into printable flash cards.
Is Biology revision on KODO free?+
Yes. KODO is free for everyone until Friday 18 December 2026, with unlimited quizzes on Biology and every other topic. After that there is still a free plan with daily quizzes.
Which exam board is this Biology revision for?+
This page follows the Pearson Edexcel GCSE Combined Science (1SC0) specification. KODO also has GCSE revision for the other main boards (AQA, Pearson Edexcel and CCEA), and pupils pick their board when they sign up.

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