Ecosystems

12345678910111213
Across
  1. 3. organism that eats both plants and animals
  2. 5. all the organisms living in an environment at the same time
  3. 6. inside
  4. 12. process of changing the biotic components in an ecosystem
  5. 13. first producers to grow in a barren or disturbed environment
Down
  1. 1. features that help an organism survive and reproduce
  2. 2. herbivore
  3. 4. carnivore
  4. 7. the non-living parts of an ecosystem
  5. 8. group of organisms that can reproduce together
  6. 9. rain, snow, sleet, or hail
  7. 10. energy created by breaking up molecules
  8. 11. plant