science crossword...ARE YOU UP FOR IT!?

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Across
  1. 3. a person or thing that produces.
  2. 4. the place where a person or thing usually lives.
  3. 5. mutual dependence between things
  4. 10. a form or structure modified to fit a changed environment.
  5. 12. a both plant and meat eater
  6. 14. plant eater
  7. 15. a series of stages, as childhood and middle age, that characterize the course of existence of an individual, group, or culture.
Down
  1. 1. meat eater
  2. 2. The series of steps by which energy is obtained, used, and transformed by living things. For example: sunlight helps grain to grow, the grain feeds cattle, and humans eat the cattle.
  3. 6. the aggregate of surrounding things, conditions, or influences; surroundings.
  4. 7. the corresponding process in certain bacteria.
  5. 8. containing or conveying nutriment, as solutions or vessels of the body.
  6. 9. an organism, usually an animal, that feeds on plants or other animals.
  7. 11. any carnivorous animal.
  8. 13. an animal hunted or seized for food, especially by a carnivorous animal.