Key term for OCR GCSE Biology B, used in Interdependence in Ecosystems.
Microscopic algae that act as the primary producers in marine and freshwater aquatic food webs.
Phytoplankton appears in OCR GCSE Biology B revision content for Ecosystems and Photosynthesis, especially Interdependence in Ecosystems and Producers.
Create a free account to access OCR GCSE Biology B revision notes, track progress, and practise related key terms.