What this topic covers
Organisms exchange substances with their environment has 4 subtopics:
- Surface area to volume ratio
- Gas exchange
- Digestion and absorption
- Mass transport
AS Level AQA Biology
Organisms exchange substances with their environment – AS Level AQA Biology revision notes
Revise Organisms exchange substances with their environment for AS Level AQA Biology, including Surface area to volume ratio. 13 lessons across 4 subtopics.
Organisms exchange substances with their environment covers Surface area to volume ratio, Gas exchange, Digestion and absorption, and Mass transport in AS Level AQA Biology. 13 lessons in 4 subtopics.
13
Lessons
4
Subtopics
Organisms exchange substances with their environment lessons by subtopic
13 lessons, grouped by subtopic.
Surface area to volume ratio
Gas exchange
Digestion and absorption
Mass transport
More in this course
Go back to the full AS Level AQA Biology topic list, or practise this topic with past-paper questions.
Frequently asked questions
Is this the right Organisms exchange substances with their environment page for my course?
These notes are for AS Level AQA Biology. If you are on a different exam board, choose your course from the Biology page instead, because the content is not always the same.
What should I do after reading the lessons?
Test yourself without the notes open, then try past-paper questions on the same topic. The questions you get wrong tell you which lesson to go back to.