Science

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Across
  1. 3. Harmful material that can enter the biosphere
  2. 8. Individuals moving INTO an area
  3. 10. Factors, Plants, animals, bacteria
  4. 13. What shape is a logistic growth graph
  5. 15. Factor, A factor that controls the growth of a population
  6. 19. One organism benefits, and one is not harmed or benefited
Down
  1. 1. Any necessity of life
  2. 2. Where freshwater meets the sea
  3. 3. Where one organism is harmed and one is benefited
  4. 4. Structure, The number of males and females of each age a population contains
  5. 5. Average condition over a long time
  6. 6. Enviormental conditions over small distances
  7. 7. Where both species benefit
  8. 9. Individuals moving OUT of an area
  9. 11. Density, The number of individuals per unit area
  10. 12. The place where an organism lives
  11. 14. Factors, Sunlight, water, rocks
  12. 16. Two species live closely together
  13. 17. What shape is an exponential growth graph
  14. 18. day-to-day