Biology Key Terms Unit 1

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Across
  1. 3. variety of life in the world or in a habitat or ecosystem
  2. 8. The basic unit of life
  3. 9. an organism that lives off of other organisms like plants
  4. 10. set of things working together
  5. 11. a biological community with living biological things
  6. 12. notice or perceive something
Down
  1. 1. relation between parts of something complex
  2. 2. an organism that makes their own food and nutrition
  3. 4. activity or purpose for person or thing
  4. 5. different organisms developing and diversifying from earlier times
  5. 6. a process that living things use to actively maintain fairly stable conditions for survival.
  6. 7. power from the usage of physical or chemical resources to get a system going