BIOLOGY REVISION

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Across
  1. 2. The smallest unit of life
  2. 4. The first layer of the atmosphere
  3. 5. Daily motion of the bodies of water on Earth because of the pull of the Sun and the Moon
  4. 7. The N in MRS NERG, one of the life processes
  5. 8. Plants with flowers and fruit
Down
  1. 1. Living beings that do not have the ability of maintining their internal temperature stable when outside temperatures change
  2. 3. Change of state from liquid to gas
  3. 6. Imaginary plane in which the planets orbit around the Sun