Biology GCSE
External digestion by microorganisms
What External digestion by microorganisms means in Biology GCSE, as defined for AQA.
Definition of External digestion by microorganisms
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Reference: AQA
Secreting digestive enzymes into the surrounding environment so that complex organic molecules are broken down into simpler soluble substances outside the decomposer.
Topics that use External digestion by microorganisms
- Trophic levels (AQA GCSE)
Related terms
- Absorption of soluble nutrients
- Algae
- Consumers
- Decomposers
- Diffusion and concentration gradients
- Energy transfer
- Enzyme action
- food web
Using External digestion by microorganisms in the exam
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