Grouping living things

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Across
  1. 2. Living things that usually have leaves, stems, roots and flowers
  2. 5. Animals that have dry scaly skin and usually lay eggs.
  3. 6. Animals do not have backbone.
  4. 9. Animals that live in water until they grow legs and lungs and are then able to live on land too
  5. 10. Animals that usually have a body temperature warmer than their surrounding.
  6. 13. A series of 'yes' and 'no' questions used to group and identify different things.
  7. 14. Animals that usually have a body temperature colder than their surrounding.
Down
  1. 1. Describes living things that eat other animals.
  2. 3. Animals that have backbone.
  3. 4. Animals that have fur or hair and usually teeth. They also produce milk for their babies.
  4. 7. Animals that have feathers, wings and lay eggs.
  5. 8. The name given to a specific group of living things that have very similar characteristics.
  6. 11. Describes animals that are active during the night and usually sleep during the day.
  7. 12. Animals that live in water and have fins and gills for breathing.