Living Environment Part D Review

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Across
  1. 1. The process by which molecules move from high concentration to low concentration
  2. 4. The process by which the environment selects which individuals survive and which do not
  3. 7. Trait differences between organisms of the same species
  4. 8. The climate, food, shelter, etc. that surrounds an organism
  5. 10. The process by which a population changes over many generations
  6. 11. Occurs due to lack of oxygen and waste build up in muscles
  7. 12. A concept that states that the organisms that are best fit for the environment will survive
  8. 15. Two or more organisms fighting for the same resources
  9. 16. How frequently a phenomenon occurs
  10. 17. During osmosis, particles will move through a membrane from high concentration to _____ _____
  11. 21. Enzymes that cut DNA at specific points
  12. 22. A technique used to separate and analyze DNA segments
  13. 23. A technique used to separate compounds or pigments
  14. 25. Placing a cell in _____ _____ will cause water to diffuse out
Down
  1. 2. A dye used to see the parts of a cell
  2. 3. A tool used to identify an organism by asking and answering questions
  3. 5. An indicator for starch that turns from amber to blue-black
  4. 6. A simple sugar that can pass through the cell membrane
  5. 9. Semi-permeable membrane used to build a model cell
  6. 13. Gel electrophoresis separates DNA into bands by _____
  7. 14. An indicator for glucose that turns form blue to orange with heat
  8. 18. An acronym for "[heart]beats per minute"
  9. 19. A process involving the production of energy in living things
  10. 20. A large molecule made of multiple glucose molecules
  11. 24. Species that are related share similar _____