environmental science

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Across
  1. 2. describes how energy and nutrients move through an ecosystem
  2. 4. the position of an organism in the food chain
  3. 5. a graphical representation of the energy found within the trophic levels of an ecosystem
  4. 7. an organism that can produce its own food using light, water, carbon dioxide, or other chemicals
  5. 9. an organism that eats other plants and animals for energy
  6. 10. the ability to do work
Down
  1. 1. A chemical process that occurs in plants, algae, and some types of bacteria, when they are exposed in sunlight
  2. 3. each trophic level can only give 10% of its energy to the next level
  3. 6. renewable energy from plants and animals
  4. 8. consists of all the food chains in a single ecosystem