Ch. 4 The Organization of Life Vocab

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Across
  1. 1. an inherited trait that increases an organism's chance of survival
  2. 5. animals that have backbones
  3. 7. change in genetic characteristics of a population
  4. 8. microscopic unicellular organisms found in soil and animal bodies
  5. 9. include amoebas and diatoms
  6. 10. selective breeding of organisms by humans
  7. 11. woody plants that produce seeds
  8. 13. nonliving parts of the ecosystem
  9. 16. ability to tolerate a particular chemical designed to kill it
  10. 17. process by which individuals better suited to environment survive and reproduce
  11. 20. the place an organism lives
  12. 21. all the populations of an area
Down
  1. 2. animals that lack backbones
  2. 3. group of the same species living in the same place
  3. 4. organisms, dead organisms, fungi, and plants
  4. 6. group of organisms that can mate to produce fertile offspring
  5. 12. all of the organisms living in an area together with their physical environment
  6. 14. individual living thing
  7. 15. found in extreme places like hot springs
  8. 18. flowering plants that produce fruit
  9. 19. absorb food from decaying organisms in the soil