‘Adapt’ and ‘adopt’ share similar spellings and similar meanings, but they are not one and the same.

To ‘adapt’ is to become or make something suitable to an environment or condition.

      - It took me a long time after college to adapt to life in the office.

      - An inability to adapt will prove an obstacle on the road to success.

      - To ‘adopt’ is to take something and use it as or make it your own.

      - I adopted his policy of neutrality and stayed out of trouble.

      - We are planning to adopt a child.