Revision Crossword 1

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Across
  1. 3. Animals which have a backbone.
  2. 5. The second stage in an incomplete life cycle.
  3. 7. This insect has an incomplete life cycle
  4. 9. Insects are part of this group of animals.
  5. 10. The second stage in the life cycle of a frog
  6. 12. This animal has a complete life cycle.
Down
  1. 1. This group of animals breathe underwater using gills.
  2. 2. This is the ability of living things to respond to changes in environment
  3. 4. These animals live both on land and in water.
  4. 6. The number of stages in a complete life cycle.
  5. 8. A young bird that just hatched.
  6. 11. Living things change food into energy through this vital function.