Ecosystems

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Across
  1. 1. a mixture of rocks, water, air, parts of dead organisms, and tiny living organisms
  2. 4. a community of organisms together with its environment
  3. 7. all the living and nonliving things in an environment
  4. 8. a diagram that shows what eats what in an ecosystem
  5. 11. the process of returning something to its original condition
  6. 13. something scientists make to answer questions about the real world
  7. 14. an organism that breaks down droppings or dead organisms
  8. 16. a proposed answer to a question
  9. 17. something taken in by plants and animals to help them grow
Down
  1. 2. a living thing such as a plant or animal
  2. 3. the use of evidence to say why one idea is best
  3. 5. the ability to make things move or change
  4. 6. information that supports an answer or question
  5. 9. the stuff that things are made of
  6. 10. a group of atoms joined together in a particular way
  7. 12. a scientist who studies ecosystems
  8. 15. to use any of the five senses to gather information about something