science scrossword puzzle

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Across
  1. 2. are any kind of green plant..
  2. 4. What is the study of the relationships between living organisms, including humans, and their physical environment
  3. 5. Flow
  4. 8. living organism that shapes its environment.
  5. 9. activity
  6. 11. the total number of individual organisms at each level in the food chain of an ecosystem.
  7. 13. chain
  8. 16. the various actions for recreation, living, or necessity done by people
  9. 17. the animal's body functions or looks on the outside.
  10. 20. the amount of energy that moves along the food chain is
  11. 22. group of organisms that can reproduce with one another in nature and produce fertile offspring.
  12. 23. nonliving part of an ecosystem that shapes its environment.
  13. 24. adaptation:
  14. 25. role an organism plays in a community..
  15. 26. characteristic
  16. 27. made up of the parts of Earth where life exists.
Down
  1. 1. who eats whom in the wild
  2. 3. The term mainly refers to a living organism that acts as a harbor for invading pathogenic organisms.
  3. 6. occasion when two or more people or things communicate with or react to each other:
  4. 7. an organism that mostly eats meat, or the flesh of animals
  5. 9. type of symbiotic relationship where all species involved benefit from their interactions.
  6. 10. factor
  7. 12. factor
  8. 14. of Numbers
  9. 15. relationship between individuals of two species in which one species obtains food or other benefits from the other without either harming or benefiting the latter
  10. 18. organism that can't make its own food.
  11. 19. adjustment of organisms to their environment in order to improve their chances at survival in that environment
  12. 21. organism that mostly feeds on plants
  13. 25. an organism that lives on or in a host organism and gets its food from or at the expense of its host.
  14. 26. a trait or variants encoded in DNA and passed from parent to offspring during reproduction.