Lesson 7 Crossword

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Across
  1. 3. a part of a cell in a living thing that controls what it looks like, how it grows, and how it develops
  2. 7. an animal such as a frog that can live both on land and in water
  3. 10. how large, important, or serious something is
  4. 11. someone who studies a subject in detail in order to discover new facts or test new ideas
  5. 14. to make a computer program or system ready for use, or to format a disk
  6. 16. something important that you succeed in doing by your own efforts
  7. 18. a type of reptile that has four legs and a long tail
  8. 19. to improve something
  9. 20. a planned way of doing something, especially one that a lot of people know about and use
Down
  1. 1. to make something grow again
  2. 2. to make something from the past exist again in a new form or be experienced again
  3. 4. an arm or leg
  4. 5. complicated and advanced in design
  5. 6. inside your body
  6. 7. not real or not made of natural things but made by people to be like something that is real or natural
  7. 8. to officially accept a plan or proposal
  8. 9. connected with one particular thing only
  9. 12. the material forming animal or plant cells
  10. 13. a small animal with a long body, short legs, and a tail, which can live in water or on land
  11. 15. relating to medicine and the treatment of disease or injury
  12. 17. to succeed in dealing with or controlling a problem, challenge, or obstacle that has been preventing you from achieving something