Seasons

123456789101112
Across
  1. 4. the amount of ___ decreases during the winter in the North, hence some birds migrate.
  2. 5. seasons do not change near the Earth's ______.
  3. 6. some mammals like hedgehogs spend their winter in ____.
  4. 7. ____ birds migrate from place to place in search of food, and won't go to the same routes each year.
  5. 8. _____ birds live in the same region the whole year around.
  6. 10. the ______ of plants is when the average temperature stays above +5 celcius during the day.
  7. 12. in the summer plants have enough sunlight for ____.
Down
  1. 1. poikilothermic animals spend the winter in a state of ____.
  2. 2. ______ birds make 2 long journeys in a year due to changing seasons.
  3. 3. for example the pied flycatcher travels all the way to ____ from Finland for the winter.
  4. 8. ___ offers protections to animals from cold air.
  5. 9. the first flowers of spring belong to ____ plants.
  6. 11. some mammals like bears and badgers spend their in ______.