Biology 1

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Across
  1. 6. A unicellular organism that lacks a nucleus or membrane-bound organelles
  2. 13. A form of logical thinking that uses related observations to arrive at a general conclusion
  3. 14. A basic unit of matter that cannot be broken down by normal chemical reactions
  4. 17. An organism that can make its own food from materials in its environment
  5. 20. An organism with cells that have nuclei and membrane-bound organelles
  6. 21. The group where the independent variable is applied
  7. 23. Data that is descriptive
  8. 24. The process of gradual change in a population
  9. 25. Knowledge covering general truths or operation of general laws, tested by scientific method
  10. 28. A suggested explanation for an event, which can be tested
  11. 30. The variable that will change when the independent variable is altered
  12. 32. Statements that describe what should happen if the hypothesis is supported
  13. 34. Claims or beliefs portrayed as scientific fact but cannot be evaluated using the scientific method
  14. 36. All living things in an area with nonliving parts of that environment
  15. 38. A membrane-bound compartment or sac within a cell
Down
  1. 1. An organism that cannot make its own food
  2. 2. A set of populations inhabiting a particular area
  3. 3. A large molecule typically formed by joining smaller molecules
  4. 4. The variable being altered or changed by the researcher
  5. 5. Variables that must be kept consistent to avoid affecting experiment results
  6. 7. A form of logical thinking that uses a general statement to forecast results
  7. 8. A diagram showing evolutionary relationships among biological species
  8. 9. The study of living organisms and their interactions
  9. 10. A chemical structure of at least two atoms held together by a chemical bond
  10. 11. All individuals within a species living within a specific area
  11. 12. The study of life
  12. 15. Data that is numerical
  13. 16. Part of an experiment that does not change
  14. 18. The higher level of organization of functionally related organs
  15. 19. The highest level of the taxonomic hierarchy
  16. 22. The smallest fundamental unit of structure and function in living things
  17. 26. The ability of an organism to maintain constant internal conditions
  18. 27. A scientific report reviewed by colleagues before publication
  19. 29. It can be shown to be false by experimental results
  20. 31. An individual living entity
  21. 33. A collection of all ecosystems on Earth
  22. 35. A structure of tissues operating together to perform a common function
  23. 37. A group of similar cells carrying out the same function