KS3 Biology › Cells

Stem Cells in Animals

You started as one cell. Every cell in you now carries exactly the same DNA, and yet a nerve cell and a red blood cell could hardly be less alike. Differentiation is how that happens — and it only runs one way, which is why stem cells matter so much in medicine.

KS3 Biology · Year 7–9 · Free worksheet with answers

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Free worksheet — 3 questions, 13 marks

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Full worksheet

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  • 100 marks
  • Three sections of increasing difficulty
  • Word banks on every fill-in-the-blank
  • Complete answer key
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Extension pack

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  • Vocabulary matching
  • Challenge quiz
  • Case study
  • Teach It Back, with rubric
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You're welcome to embed the video and link these resources in Google Classroom, Stile, Canvas, Compass or any other school platform. No need to ask.

Everything here is written to the KS3 curriculum for students aged 11–14. Print freely for the classes you teach.

The rest of this unit

Cells

  1. The 7 Life Processes (MRS GREN)
  2. Animal Cell Structures and Their Functions
  3. Plant Cell Structures and Their Functions
  4. Multicellular and Unicellular Organisms
  5. Stem Cells in AnimalsYou're here

Watch the whole KS3 Biology playlist on YouTube →