AQA A-Level Biology: Exchange summary

Concise, cartoon-illustrated summary notes covering every AQA A-Level Biology Paper 1 spec point for Exchange & Transport, with mnemonics and exam questions.

Every AQA A-Level Biology (7402) Paper 1 spec point for Organisms Exchange Substances with their Environment, covered in one place: surface area to volume ratio, gas exchange (insects, fish, plants), the human gas exchange system, digestion & absorption, haemoglobin & oxygen transport, the circulatory system, and mass transport in plants.

Most sections include:
A concise, exam-focused summary - no waffle
A cartoon mnemonic to help the concept stick
A common-mistake note and a quick-recall question

The workbook also includes exam-style application questions with model answers, a complete answer key, and a one-page “At a Glance” summary with a confidence tracker for the whole topic.

Revising? Work through it section by section, or use the summary page for a fast final check before the exam.

Teaching? Set it as homework, use it as a cover-lesson resource, or hand it out as a visual companion to your existing scheme of work.

Need the whole of Paper 1? The Paper 1 All-in-One Cartoon Workbook combines all four topics (Biological Molecules, Cells, Organisms Exchange Substances with their Environment, and Genetic Information, Variation & Relationships) into one 128-page workbook.

Format: PDF, print-ready.