Water and Ecosystems

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Across
  1. 3. organisms that decompose dead organisms
  2. 4. mix of salt and fresh water
  3. 7. An animal that eats other animals for energy
  4. 10. The bottom stage of the food chain
  5. 11. H2O
  6. 12. movement of water in bodys of water
Down
  1. 1. a community of organisms living together
  2. 2. organism hunted by predators for food
  3. 5. rising of cold water
  4. 6. Animal that eats plants for energy
  5. 8. behaviors or body parts that devolop over time
  6. 9. animal that eats both plants and meat