Science

12345678910111213141516171819
Across
  1. 3. The basic building block of life
  2. 7. The study of how ecosystems interact
  3. 8. All living parts of an ecosystem.
  4. 11. A place in which animals live.
  5. 12. The amount of a biotic thing in a certain space.
  6. 13. A limiting factor that is always active.
  7. 14. Adapting to something
  8. 15. All biotic factors of a place.
  9. 19. Never lived and not living parts.
Down
  1. 1. A factor that limits
  2. 2. A group of animals that can mate.
  3. 3. The max of something that can exist in one place.
  4. 4. Species that hunts other species
  5. 5. A limiting factor that is only active if the density is too high.
  6. 6. Chemical process that allows living beings to process the stuff they eat.
  7. 9. How plants make energy
  8. 10. Maintaining a regulated internal balance.
  9. 16. A lot of species together in the same place.
  10. 17. The interaction between everything in a certain place, abiotic and biotic.
  11. 18. A kind of habitat.