Ch. 4 The Organization of Life Vocab

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