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KS2 Science Guide · Year 5–6 · Free lesson

Habitats and Adaptation

A polar bear in the desert wouldn't last a day. This lesson explains habitats and the physical and behavioural adaptations that suit living things to them — and how, over long times, this leads to evolution.

SC2Habitats and Adaptation
Built to fit where they live.
A habitat provides what an animal needs; adaptations are features that suit it to that home.
Same problem, different solutions.
🐫 Camel (desert)
Humps store fat for energy; wide feet spread its weight on sand; long eyelashes keep sand out.
🐻‍❄️ Polar bear (Arctic)
Thick fur and fat keep heat in; white coat camouflages against snow; big paws grip ice.
Adaptation = a feature that helps survival in a particular habitat.
1

Learn the Ideas

1A habitat supplies needs.

Food, water, shelter and space. A woodland, a pond, a desert — each suits certain living things.

food · water · shelter · space

2Adaptations suit the habitat.

Physical features (thick fur, webbed feet) and behaviours (hibernating, migrating) that aid survival.

feature → survival

3Environments change.

If a habitat changes — drought, new predators — poorly-adapted animals struggle. Over very long times, this drives evolution.

change → challenge
💡 Key IdeaAdaptations aren't chosen by the animal — those born with helpful features survive and pass them on, over many generations. That's the seed of evolution.
2

Worked Example

Why does a cactus have spines instead of leaves and a thick stem?

Habitat
Desert — very little water, intense sun
→
Spines
tiny surface loses less water; also deter animals
→
✓ Thick stem
stores water for dry times
3

Watch Out! Common Mistakes

✕
‘Animals choose to adapt.’

Not a choice! An individual can’t grow thicker fur by wanting to. Those born better-suited survive more — adaptation happens across generations.

✕
Confusing habitat with the whole environment.

Habitat = the home. It’s the specific place a living thing lives and gets its needs — a hedgehog’s habitat is the hedgerow, not ‘the countryside’ in general.

✕
Ignoring behavioural adaptations.

Behaviour counts too! Hibernating, migrating and being active at night are adaptations just as much as fur or feet.

⬇ Cheat Sheet

HABITATS AND ADAPTATION
  1. A habitat provides food, water, shelter and space.
  2. Adaptations are features that aid survival there.
  3. Physical (fur, spines) AND behavioural (hibernating, migrating).
  4. Better-adapted individuals survive and reproduce — over time, evolution.
Example: cactus → spines (less water lost) + thick stem (stores water).
📄 Free printable: Download the Habitats and Adaptation cheat sheet (PDF) — keep it by your child's desk.

Quick summary

Frequently asked questions

What is an adaptation?

A feature that helps a living thing survive in its habitat — a camel's humps, a polar bear's thick fur, or a behaviour like hibernating.

Do animals choose to adapt?

No — an individual can't change its features by wanting to. Those born with helpful features survive better and pass them on, so the species adapts over generations.

What is the difference between a habitat and an environment?

A habitat is the specific place an organism lives and meets its needs; the environment is the wider surroundings, including weather and other living things.

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