Crossword Puzzle

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Across
  1. 3. Mammals have ______.
  2. 5. Your mother's mother.
  3. 8. An animal with 8 legs.
  4. 9. Something that is in the sky during the day.
Down
  1. 1. A kind of bird.
  2. 2. The opposite of dark.
  3. 3. Birds have ______.
  4. 4. Another name for earth.
  5. 6. When there is no sun it is ______.
  6. 7. A mammal that has a pouch for its baby.