Science 5 · Unit 6: Seasons and adaptations of plants and animals · Cambridge Primary Science Stage 5

Questions

1. 1. What is an adaptation?

   • moving to a new house
   • a feature that helps a living thing live in its environment
   • a kind of food
   • a type of rock
   Check

2. 2. Why does a cactus have thorns instead of leaves?

   • to catch insects
   • to make more food
   • to float
   • to lose less water
   Check

3. 3. Why does a cactus have a waxy coating?

   • to attract birds
   • to look shiny
   • to stop water escaping
   • to keep cool at night
   Check

4. 4. Why does a cactus have deep roots?

   • to find water deep under the ground
   • to hold it in the wind only
   • to store fat
   • to breathe
   Check

5. 5. What do a camel's humps store?

   • sand
   • fat for energy
   • babies
   • water only
   Check

6. 6. Why does a camel have long eyelashes?

   • to keep sand out of its eyes
   • to see in the dark
   • to look pretty
   • to keep warm
   Check

7. 7. Why do desert rats and lizards dig burrows?

   • to stay cool during the hot days
   • to hibernate in winter
   • to find snow
   • to store water
   Check

8. 8. Why do water lilies have big air spaces in their leaves and stems?

   • to sink to the bottom
   • to store sand
   • to make them heavy
   • so they float and the leaves get sunlight
   Check

9. 9. Why do water lilies have weak stems and small roots?

   • The water supports the plant.
   • They are in a desert.
   • They need to climb trees.
   • They are dying.
   Check

10. 10. What do fish use to absorb oxygen from water?

    • gills
    • lungs only
    • fins
    • scales
    Check

11. 11. Why do ducks have webbed feet?

    • to dig burrows
    • to help them swim
    • to keep sand out
    • to climb trees
    Check

12. 12. How are flamingos adapted to shallow water?

    • humps and thorns
    • long thin legs and long flexible necks
    • thick fur and fat
    • gills and fins
    Check

13. 13. Why do fir trees have sloping branches?

    • to store water
    • to float
    • so snow slides off
    • to catch more rain
    Check

14. 14. Why do fir trees have shallow roots?

    • To find deep water.
    • They don't need water.
    • The soil is too wet.
    • Only the top of the soil thaws in summer.
    Check

15. 15. What does resin do for a tree in a cold place?

    • makes it grow faster
    • attracts insects
    • makes it float
    • keeps the trunk warm and stops it losing moisture
    Check

16. 16. How are emperor penguins kept warm?

    • humps of fat on their backs
    • thin skin and no feathers
    • gills and fins
    • three layers of oily feathers and a layer of fat
    Check

17. 17. How do frogs stop their skin drying out on land?

    • They have thick fur.
    • They have scales.
    • Their skin is covered in slimy mucus.
    • They have a waxy shell.
    Check