Living Things

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Across
  1. 5. ____________ breathe through moist skin and lungs.
  2. 7. Living things need air, ________ and water to survive.
  3. 8. ________ have dry skin covered with scales.
  4. 9. Most mammals cannot reproduce by laying _____.
Down
  1. 1. ______________ give birth to young alive.
  2. 2. Living things can grow and r____________.
  3. 3. Birds have ____________ as an outer covering.
  4. 4. ___________ have 3 body parts.
  5. 6. Fish use ________ to breathe underwater.