Keystone species

The Most Important Animal of All: questions to ask and activities to try

Seven super-animals the planet can't live without. The Most Important Animal of All asks which matters most.

What age is it for? The Most Important Animal of All is best for ages 5–8. Good for: The animals our planet can't live without.

Cover of The Most Important Animal of All by Penny Worms and Hannah Bailey

The Most Important Animal of All (Penny Worms and Hannah Bailey)

Age
5-8
Best for
The animals our planet can't live without

Want your own copy? Check today’s price, or print the questions to keep next to the book.

See it on Amazon →
How to use it

Read about each animal and vote for the most important. Talk about how everything in nature is connected.

What it helps with

Comprehension and discussion questions

Pick two or three, not all of them. “I don’t know” is a fine answer, and you can always come back to it another day.

  1. “What is a keystone species?”
  2. “Which seven animals are in the book?”
  3. “Why does each one matter?”
  4. “Which do you think is most important?”
  5. “What did the book say?”
  6. “How can we protect them?”

5-minute activities to try together

Animal vote

Each person argues for one animal, then vote.

Food web

Draw a food web with string connecting animals and plants.

Want your own copy? Check today’s price, or print the questions to keep next to the book.

See it on Amazon →

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By the Growing Wise team · Last reviewed: 10 October 2026

Growing Wise offers educational ideas for parents and carers. It is not a substitute for professional medical, developmental or mental-health advice. As an Amazon Associate, Growing Wise earns from qualifying purchases.