How to identify life using the MRS GREN acronym
In short: What separates a living organism from something inanimate? This video breaks down the seven fundamental biological processes that all living things share.
The video explains the seven essential characteristics of all living organisms through the mnemonic MRS GREN. These shared biological functions include movement, respiration, sensitivity, growth, reproduction, excretion, and nutrition.
The content is designed for the 2026/27 GCSE Biology exams. While the framework is suitable for all students, the video notes that specific details regarding the AQA, Edexcel, and OCR exam boards may vary in their requirements.
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Sources
- Summary by Intellect · source: GCSE Biology - Characteristics of Living Things (Organisms) (2026/27 exams)
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