Vocabulary Crossword Puzzle

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Across
  1. 5. an example of this type of organism is seaweed
  2. 9. an animal that eats other animals
  3. 11. a type of human activity that disrupts an ecosystem
  4. 12. an organism that eats another organism
  5. 15. a gas that is released during photosynthesis
Down
  1. 1. a process in which plants make energy from the sun
  2. 2. the type of organism that helps return matter back to the earth
  3. 3. an animal that only eats plants
  4. 4. a series of organisms listed in such a way that shows which is a food source for another
  5. 6. the sugar that is made during photosynthesis
  6. 7. the main source of energy for plants
  7. 8. the process of converting food into energy
  8. 10. multiple connected food chains in an ecosystem
  9. 13. an animal that feeds on dead or decaying matter
  10. 14. lakes, deserts, and forests are examples of this