Ecology Review

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Across
  1. 3. EAT dead plants and animals
  2. 6. Nonliving parts of an environment
  3. 9. Communities AND the nonliving environment
  4. 11. Groups of organisms of one species
  5. 14. All the parts of the Earth where living things exist
  6. 15. Organisms that rely on other organisms for energy/food.
  7. 17. Groups of populations of MANY species living together in a defined area
  8. 18. Eat only plants
Down
  1. 1. Living organisms in an environment
  2. 2. Succession that occurs in areas where no soil existed
  3. 4. Eat plants and animals
  4. 5. Break down wastes and return them to ecosystem
  5. 7. Also called producers. Produce food using energy from sunlight
  6. 8. The main energy source for life on Earth
  7. 10. The study of interactions among organisms and between them and environment
  8. 12. Succession that occurs where soil previously existed
  9. 13. Eat only animals
  10. 16. Individuals made up of one or more cells