environment

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Across
  1. 3. the study of the environment and the way that plants, animals, and humans live together and affect each other
  2. 4. the part of each 24-hour period when it is dark
  3. 6. the physical world including all living things as well as the land and the seas
  4. 8. to put someone or something into a situation where they might be harmed or damaged
  5. 9. the part of the day from when the sun rises until midday
  6. 11. essential or needed in order to do something or make something happen
Down
  1. 1. why someone did something
  2. 2. someone who chooses not to eat meat or fish
  3. 5. the ability to form a picture, story, or idea in your mind
  4. 7. someone whose job is to teach
  5. 10. the number of The Pinta island tortoise now