cells

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Across
  1. 2. trees that shrub that shred their leaves at the end of the season
  2. 4. animals that have hair, a backbone, and produce milk for their young
  3. 5. a change in shape or characteristics of an orginisam's body as it grows and matures
  4. 8. plants use the suns energy to convert water and charbon dioxide into sugers
  5. 9. whiplike tails found in one-celled orgimiams to aidin movement
  6. 10. main energy source that cells use for most of their work
Down
  1. 1. a simple sugar that is an important source of energy
  2. 3. process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates
  3. 6. a tree that does not lose its leaves in the winter and stays green all year round
  4. 7. respiration: the process by which cells use oxygen to produce energy by food