AQA · Biology · 8461

GCSE Biology: Principles of organisation

Organisation · AQA GCSE Biology (8461), specification point 4.2.1. Cards are generated from the exam board's own specification for "Principles of organisation", and every card links back to the page it came from. Specification © AQA — used with attribution.

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  1. What are the basic building blocks of all living organisms?

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    Cells.

  2. Define a tissue.

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    A group of cells with a similar structure and function.

  3. Define an organ.

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    An aggregation of tissues performing specific functions.

  4. What is an organ system?

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    A group of organs that work together; organ systems together form an organism.

  5. What is formed when organ systems work together?

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    An organism.

  6. What is the order of biological organisation from cell to organism?

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    Cell → tissue → organ → organ system → organism.

  7. What level of organisation comes between a tissue and an organ system?

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    An organ.

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