ch 1: characteristics of life

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Across
  1. 3. These systems monitor internal conditions and make adjustments
  2. 7. Change in a population of organisms over time to become more suited to the environment.
  3. 8. Ultimate source of energy for almost all life on Earth
  4. 9. maintenance of internal conditions within certain boundaries
  5. 11. Genes are made up of what?
  6. 12. All living things must what to maintain a population?
  7. 14. This 3rd characteristic of life is what living things maintain.
  8. 17. Genes determine an organism's what?
  9. 19. Living things mainly interact and respond to changes in this.
  10. 20. The ____ of reproduction varies among different organisms.
  11. 21. All chemical reactions occurring in a cell
  12. 22. This 4th characteristic is how living things treat stimuli.
Down
  1. 1. Energy is required to maintain organization & conduct life-sustaining processes such as THESE reactions
  2. 2. Capacity to do work
  3. 4. This last characteristic is any modification that makes organisms better able to function in a certain environment.
  4. 5. Copies of genetic information to the next generation after reproduction
  5. 6. It is imperative that organisms maintain a state of biological ______.
  6. 8. Through photosynthesis, plants, algae, etc. capture this type of energy.
  7. 10. Ability to respond often produces _______.
  8. 13. The _____ of life exists from organisms responding to changing environments + developing new adaptations.
  9. 15. A processes converting solar energy ---> chemical energy
  10. 16. Another characteristic, Life requires these 2 things.
  11. 18. This 5th characteristic is what living things do to develop.