Biology Unit 4 Crossword

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Across
  1. 3. The phenomenon of harmful substances becoming more common higher in the food web,
  2. 6. The highest population a species can sustain.
  3. 7. An organism that creates energy from processes within its own body.
  4. 8. The number of members of a species within a region.
  5. 9. The study of organisms and their environment.
  6. 11. A species that is not indigenous and causing harm to the environment it's in.
  7. 13. A wetland formed between the meeting of a river and the sea.
  8. 14. The movement of organisms into an area.
Down
  1. 1. The ability of a resource to be reliable for long periods of time.
  2. 2. The use of biological things to improve health and society.
  3. 4. The attraction between water and a something of a different substance.
  4. 5. The variety of life in an area.
  5. 8. A small particle with an unequal distribution of charge
  6. 10. The mass of all organisms in an environment.
  7. 12. The life and its self-interactions in an area.