Rattlesnake Crossword Puzzle

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Across
  1. 3. A rattlesnakes _ is made of keratin.
  2. 4. Rattlesnakes fangs are_.
  3. 5. Adapted to detect and prevent being caught by other animals.
Down
  1. 1. Adapted to catching and cosuming their food.
  2. 2. A group of non-agressive venomous snakes