Terminology Ch 1 & 2

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Across
  1. 1. a proposed explanation to natural phenomenon
  2. 5. regulation to maintain stability despite environmental influences
  3. 6. components of an environment which are living
  4. 9. all regions on the planet which support and include life
  5. 10. a group of similar cells which perform a function
  6. 11. positive particle within the nucleus
  7. 17. an individual life form
  8. 18. the associated populations of different species within an environment
  9. 19. a system of interactions between living and nonliving things within an environment
  10. 20. the smallest unit of life
  11. 21. membrane-bound structure which performs specific functions within a cell
  12. 23. type of molecular bond formed from loosing/gaining electrons
  13. 24. type of temporary, molecular bond formed due to polarity
Down
  1. 2. area which electrons are found
  2. 3. smallest unit of an element
  3. 4. components of an environment which are non-living
  4. 5. suggested explanation for which an experiment can be designed
  5. 7. attraction of one kind of molecule to a different kind of molecule; property of water
  6. 8. variation of an element which have different numbers of neutral particles
  7. 12. neutral particle within the nucleus
  8. 13. attraction of molecules to other molecules of the same kind ; property of water
  9. 14. expressed as a concise statement and always true
  10. 15. the study of life
  11. 16. type of molecular bond formed from electron sharing
  12. 21. multiple, unique tissues performing a specific function
  13. 22. the process of gradual adaptations to species which may cause species to diversify