Crossword

123456
Across
  1. 4. Snakes are part of this gruop.
  2. 5. Dogs, cats, tigers, and horses have four of these.
  3. 6. Chickens lay these.
Down
  1. 1. Most animals eat with this.
  2. 2. Birds have two of these, dogs don't have these.
  3. 3. Dogs and cats are part of this group.