Crossword puzzle

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Across
  1. 4. the process of biological maturation
  2. 6. Birth to 2 weeks of life.
  3. 7. A progressive series of changes that occur as a result of maturation and experience
  4. 12. 18-40 years old
  5. 14. Can be defined as the period that extends from conception to death.
  6. 16. refers to the impact of the environment
  7. 17. 60 to death
  8. 18. 10 or 12 to 14 years old.
Down
  1. 1. has examined the developmental tasks of siblings
  2. 2. 40 to 60 years old
  3. 3. 2 weeks of life to 2nd year.
  4. 5. He defines developmental task as one that arises at a certain period in our lives.
  5. 8. typically viewed as a continual and cumulative
  6. 9. 14 to 18 years old.
  7. 10. A concept occupies middle ground between two opposed theories of education
  8. 11. childhood 2 to 6 years old
  9. 13. Implies personality traits present during infancy endure throughout the lifespan
  10. 15. 6-10 years old
  11. 18. Fertilization to birth.