Chapter 3, Lesson 1

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Across
  1. 3. study of how organisms interact with each other and their environment
  2. 5. all the different populations that live together in an area
  3. 9. parts of a habitat that are living or were once living
  4. 10. all living things require this to carry out their life processes
  5. 12. consists of rock fragments, nutrients, air, water, and decaying remains
  6. 13. all the members of one species living in an area
Down
  1. 1. all the living and nonliving parts of an environment
  2. 2. organisms on land get this from the air they breathe
  3. 4. abiotic factor needed for plants to make their own food
  4. 6. living thing
  5. 7. group of organisms that can mate and produce offspring
  6. 8. environment that provides the things an organism needs to survive
  7. 11. nonliving parts of a habitat