Interaction between species and Population sizes

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Across
  1. 2. non-living elements in an ecosystem
  2. 6. maximum number of individuals of a species that an environment can sustainably support at one time
  3. 7. living organisms in an ecosystem
  4. 8. the number of individuals of a species living in a defined area
  5. 9. complex networks of interacting organisms and their environment
Down
  1. 1. collecting data from a subset of the population and then extrapolating
  2. 3. two organisms fight over a limited resource, such as mates, food, sun, or shelter
  3. 4. counting individuals in a small, defined area
  4. 5. long-term interaction between two organisms from different species living close together
  5. 8. one organism captures and feeds on an individual from another species