Food Chain and Food Web

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Across
  1. 1. An organism that is hunted and consumed by other organisms.
  2. 2. A symbiotic relationship where one organism benefits, and the other is neither harmed nor helped.
  3. 4. Clue
  4. 5. An organelle in plant cells where photosynthesis takes place, containing chlorophyll.
  5. 8. An organism that relies on other organisms for its nourishment.
  6. 9. A type of bacteria, some strains of which can cause illness in humans.
  7. 10. The first widely used antibiotic, discovered by Alexander Fleming.
  8. 12. An organism capable of producing its own food through processes like photosynthesis.
  9. 14. An organism, usually a green plant or alga, that produces its own food through photosynthesis.
  10. 17. An organism that consumes both plants and animals.
  11. 19. Tiny, often microscopic organisms, including bacteria, viruses, and fungi.
  12. 20. A complex network of interrelated food chains in an ecosystem.
Down
  1. 1. The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.
  2. 3. A creature that predominantly consumes other animals.
  3. 6. The process through which living organisms inhale oxygen and exhale carbon dioxide, releasing energy.
  4. 7. An organism that hunts and feeds on other organisms.
  5. 11. A symbiotic relationship where both participating organisms benefit.
  6. 13. An animal that primarily eats plants.
  7. 15. A graphical representation of the amount of living organic matter at each trophic level in an ecosystem.
  8. 16. Each step in a food chain or food web, representing a level of energy transfer.
  9. 18. A sequence of organisms,each dependent on the next as a source of food.