Biology Crossword

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Across
  1. 9. organelle near nucleus in an animal cell.
  2. 10. Constrain to population size.
  3. 12. without air.
  4. 14. As known as the nuclear membrane.
  5. 15. Connects all other types of tissue.
  6. 16. All living things are composed of cells.
  7. 17. leave to find a different habitat.
  8. 22. pigment that runs photosynthesis.
  9. 23. Protection.
  10. 24. Cell changes from one type to another.
Down
  1. 1. Reaction product used to regulate.
  2. 2. Also known as the citric acid cycle.
  3. 3. Send and receive signals.
  4. 4. Organism make their own food.
  5. 5. small molecules bond together.
  6. 6. chemical fuel for living things.
  7. 7. Dark reaction or light independent.
  8. 8. particles move from high to low concentration.
  9. 11. how an organism uses it's environment.
  10. 13. Process that passes matter from an organism to the biosphere.
  11. 17. speeds up a reaction.
  12. 18. atoms of the same element with different numbers of neutrons.
  13. 19. attraction between molecules of the same substance.
  14. 20. balanced conditions maintained by living things.
  15. 21. attraction between molecules of different substances.