Science

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Across
  1. 5. a relationship between two living things of different species in which one benefits while the other is neither helped nor harmed
  2. 7. is the scientific study of relationships between organisms and their environment
  3. 9. a symbiotic interaction that benefits one species but harms the other
  4. 10. succession/ the re-growth of a community in area that has soil and was recently inhabited by living organisms.
  5. 11. a relationship between two living things of different species in which both benefit
  6. 12. a type of symbiosis where one species is harmed and the other benefits
Down
  1. 1. a large area where the conditions are very similar
  2. 2. succession/ a gradual replacement of one type of biological community by another through a series of changes
  3. 3. Scientists who study ecology
  4. 4. part of the earth in which organisms live is called
  5. 6. community/ is reached through plant succession
  6. 8. succession/ the development of plant and animal communities in an area were living things have never excited before