2.5 key terms

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Across
  1. 2. a group of individuals that actually or potentially interbreed in nature
  2. 3. The amount of biological or living diversity per unit area
  3. 5. non-living part of an ecosystem that shapes its environment
  4. 6. the genetic range that is present in a population of a species
  5. 8. Way to measure/estimate the number of motiles
  6. 9. Square frame used to count the organisms in a given area
  7. 10. used where the study area includes an environmental gradient.
Down
  1. 1. living organism that shapes its environment
  2. 4. tool, used to identify different organisms, based the organism's observable traits.
  3. 7. A community of interdependent organisms and the physical environment they inhabit.