Bio Unit I Vocabulary

Edit Answers
12345678910111213141516171819202122232425262728
Across
  1. 2. in a scientific experiment, group where no changes are made (used as a comparison group)
  2. 5. the one variable that is altered
  3. 9. the variable that changes in response to the independent variable (can have several)
  4. 11. An experiment where only one variable is changed
  5. 14. reproduction in which two parents produce unique offspring, different from the parents and each other
  6. 15. the chemical reactions within an organism that build or break down substances
  7. 17. a single celled organism that lacks a nucleus
  8. 18. universal genetic code found in all living organisms (deoxyribonucleic acid), and is responsible for determining the traits of that organism
  9. 21. groups of organs and tissues that work together
  10. 22. Series of steps that scientists follow to approach research
  11. 24. interpretation based on what scientists already know
  12. 25. A scientific explanation for a set of observations
  13. 26. made up of more than one cell
  14. 27. reproduction in which a single parent produces offspring, identical to the parent and each other
  15. 28. process of maintaining stable internal environment within a cell/organism
Down
  1. 1. made of a single cell
  2. 3. using senses to collect information about your surroundings
  3. 4. an expert analysis of experimental results, completed to allow for other scientists to look for flaws, re-test results, and evaluate validity of the results
  4. 6. all other variables that are kept the same in a controlled experiment
  5. 7. signal to which an organism responds
  6. 8. cells can develop in different ways to have different features to help them carry out a special task to help the organism function
  7. 10. a well-tested explanation unifies a broad range of observations
  8. 12. a complex cell that has a nucleus
  9. 13. a trait that an organism has that allows for it to survive and reproduce at a greater rate
  10. 14. Organized way of gathering and analyzing evidence about the natural world
  11. 15. all the chemical reactions within an organism that build or break down substances
  12. 16. group of tissues that work together
  13. 19. basic unit of life
  14. 20. in a scientific experiment, group where independent variable is altered
  15. 23. groups of cells that work together (same job)