Combined Science GCSE
Algae
What Algae means in Combined Science GCSE, as defined for AQA.
Definition of Algae
Check what you remember
Read the wording for your board, then hide it and explain Algae in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Organisms that first produced oxygen about 2.7 billion years ago, with oxygen appearing in the atmosphere soon after.
Topics that use Algae
- How oxygen increased (AQA GCSE)
Related terms
Using Algae in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Combined Science questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Combined Science GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge