Ecology, Photosynthesis and Respiration

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Across
  1. 2. place where organisms live
  2. 6. all of the different ecosystems on Earth combined
  3. 8. different populations that interact with one another
  4. 9. area of the leaf where photosynthesis takes place
  5. 10. process where sugars are broken down and energy is released
  6. 11. all of the living and non-living things in an environment and their interactions
  7. 12. group of individuals of the same species
Down
  1. 1. green pigment in plant cells
  2. 3. single celled organism
  3. 4. possible explanation or answer to the question you are investigating
  4. 5. the process by which plants make their own food
  5. 7. study of interactions between livings things and with their environments