How to identify life using the MRS GREN acronym

GCSE Biology - Characteristics of Living Things (Organisms) (2026/27 exams) · 6:23 · Video: Cognito · Watch at the source

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.

Opens the Intellect+ feed with this card first. Swipe up for the next one.

Sources

To cite this card, link to https://intellectplus.co.uk/app/science-gcse-biology-characteristics-of-living-things-organisms-2026.

How we source, check and correct cards: Editorial standards.

General information, not professional advice. Spotted an error? Flag the card or see corrections and complaints.

Intellect Plus is a visual educational discovery platform for exploring fascinating facts and ideas. Brain Food, Not Brain Rot. What is Intellect Plus?

Related

Finding something worth knowing…