Unit 8: Matter and Energy in Ecosystems

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Across
  1. 3. an organism that gets its energy from eating other organisms
  2. 4. any living thing
  3. 5. many overlapping food chains linked together
  4. 7. shows the amount of energy moving from one feeding level (trophic level) to another
  5. 9. Waste any substance that is biodegradable and comes from a plant or animal
  6. 11. an organism that breaks down dead organisms and waste
  7. 13. chemical substances found in every living thing on Earth
  8. 15. organisms that eat producers; herbivores
  9. 16. the process by which food (sugar) is transformed into energy within cells
  10. 17. the ability to meet the needs of an ecosystem through the transfer of energy and the recycling of matter and nutrients
  11. 18. made up of the parts of Earth where life exists
  12. 20. shows the path of energy from one organism to another
Down
  1. 1. carnivores that eat primary and secondary consumers
  2. 2. an organism that hunts and kills another organism for food
  3. 6. an organism that eats primary consumers; can be an omnivore or a carnivore
  4. 8. anything that has mass and takes up space
  5. 10. the position an organism occupies in a food chain, food web, or energy pyramid
  6. 12. an organism that is able to make its own food through the process of photosynthesis
  7. 14. the process used by producers to convert light energy into chemical energy
  8. 19. an organism that is hunted and eaten by a predator