Classifying Organisms · seed 1 · A4, ink-friendly. The answer key prints on its own page for grown-ups.
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The Big Groups of Living Things

Science · Ecosystems & Habitats · ages 10-11
Name ______________________   Date ____________

  1. Which example is not a living organism?

    • A fern
    • A rock
    • A snail

  2. Which statement about the list 'plants, animals and fungi' is accurate?

    • They are examples of biological groups
    • They include every kind of living thing
    • They are three names for tiny organisms

  3. Bacteria are living organisms.

    Circle one:   True   False

  4. How do most plants obtain food?

    • They take food from the soil
    • They make food using sunlight
    • They get food by eating others

  5. An oak tree is bigger than a rabbit. One bacterium is much smaller than the rabbit. Which order runs from biggest to smallest?

    • Bacterium, rabbit, oak tree
    • Oak tree, rabbit, bacterium
    • Rabbit, bacterium, oak tree

  6. Which question provides useful evidence when comparing plants, animals and fungi?

    • How does it obtain its food?
    • Which is my favourite to watch?
    • How much do I like watching it?

  7. A rabbit eats grass. Which biological group contains it?

    • Plant group
    • Fungal group
    • Animal group

  8. Which biological group contains both mushrooms and yeasts?

    • Fungi
    • Plants
    • Animals

  9. Zara claims every moving organism is an animal. Which example challenges her rule?

    • A rabbit moving towards its food
    • A seagull flying to find its food
    • A bacterium moving through water

  10. Bread mould breaks down bread and absorbs nutrients from it. Which statement fits?

    • It is a plant making its own food
    • It is a fungus absorbing nutrients
    • It is an animal eating some bread
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Answer key

For grown-ups. Fold this page away before handing over the rest.

The Big Groups of Living Things W1-mt_IY3KwGLZgk-s1

  1. A rock · A rock is nonliving. Ferns are plants and snails are animals.
  2. They are examples of biological groups · Plants, animals and fungi are biological groups, but they are not a complete list of all life.
  3. True · Bacteria are living organisms even though a typical individual is microscopic.
  4. They make food using sunlight · Most plants use sunlight to make food.
  5. Oak tree, rabbit, bacterium · The stated comparisons put the oak first, rabbit next and bacterium last.
  6. How does it obtain its food? · Food methods are characteristics of organisms. Favourites and enjoyment are personal preferences.
  7. Animal group · A rabbit is an animal that obtains food by eating.
  8. Fungi · Mushrooms and yeasts are fungi, although yeasts are microscopic.
  9. A bacterium moving through water · Some bacteria move, but bacteria are not animals.
  10. It is a fungus absorbing nutrients · Bread mould is a fungus that can absorb nutrients from bread.
Worksheet · LightMySky