science

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Across
  1. 4. abiotic factors are the nonliving parts of the ecosystem
  2. 7. Large areas which have a distinct climate, plant populations, and animal populations
  3. 8. forest that lose their leaves annually
  4. 9. All the populations living in an area
  5. 10. group of organisms that share similar characteristics and can reproduce with each other to produce fertile offspring
  6. 12. All organisms of the same species that live in an area
  7. 13. A place where organisms live
Down
  1. 1. Maintaining a regulated internal balance
  2. 2. The chemical process that allows organisms to use energy
  3. 3. is the study of the relationships of living things to one another and to their environment.
  4. 5. the living or once-living parts of the ecosystem
  5. 6. what a organism is made of
  6. 11. all of the living organisms and nonliving parts of the environment in a certain area.