Biology Review.

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Across
  1. 5. groups of different organs that work together to complete a series of tasks.
  2. 6. two identical chromosomes, make up a duplicated chromosome.
  3. 7. the period during the cell cycle of a cell's growth and development.
  4. 8. unspecialixed cells that are able to develop into many different cell types.
  5. 9. most cells go through a cucle of growth, development,and division.
  6. 11. groups of similar types of cells that work together to carry out specific tasks.
Down
  1. 1. the two new cells that result from mitosis and cytokinesis.
  2. 2. during this process the nucleus and its contents divide.
  3. 3. during this process the cytoplsm and its contents divide.
  4. 4. the sister chromatids are held together by this structure.
  5. 5. groups of different tissues working together to perform a particular job.
  6. 10. differentiation the process by which cells become different types of cells.