All crossword about

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Across
  1. 1. and plants grow and develop. Developmental biology
  2. 3. adult organism.
  3. 5. biology is the study of the process by which
  4. 6. developmental biology.
  5. 7. the late 20th century the discipline largely transformed into
Down
  1. 2. and the growth and differentiation of stem cells in
  2. 4. encompasses the biology of regeneration asexual reproduction