Energy Makes It All Go

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Across
  1. 2. an organism that breaks down droppings or dead organisms
  2. 4. an animal that eats both plants and animals
  3. 6. tiny organisms that are too small to see without a microscope and can be found in the air, water, and soil, as well as inside other organisms
  4. 8. plant-like organisms, such as seaweed, that live in freshwater or salt water and have no flowers or roots
  5. 10. all the living and nonliving things in an area
  6. 11. a scientist who studies ecosystems
  7. 12. to stay alive
  8. 13. something taken in by plants and animals that helps them grow
  9. 14. a community of organisms together with its environment
Down
  1. 1. an animal that eats plants (or algae) and almost nothing else
  2. 3. a type of molecule that makes up air and that plants need in order to live
  3. 4. a living thing, such as a plant or an animal
  4. 5. the stuff that things are made of
  5. 7. the ability to make things move or change
  6. 9. a mixture of rocks, water, air, parts of dead organisms, and tiny living organisms
  7. 15. an animal that eats animals and almost nothing else
  8. 16. a group of atoms joined together in a particular way