science 1

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Across
  1. 2. group of organisms that can reproduce with one another in nature and produce fertile offspring.
  2. 3. organism that can't make its own food.
  3. 4. Flow
  4. 6. who eats whom in the wild
  5. 8. 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
  6. 10. chain
  7. 11. an organism that lives on or in a host organism and gets its food from or at the expense of its host.
  8. 14. occasion when two or more people or things communicate with or react to each other:
  9. 15. organism that mostly feeds on plants
  10. 17. adjustment of organisms to their environment in order to improve their chances at survival in that environment
  11. 19. an organism that mostly eats meat, or the flesh of animals
  12. 21. adaptation:
  13. 22. The term mainly refers to a living organism that acts as a harbor for invading pathogenic organisms.
  14. 24. factor
Down
  1. 1. characteristic
  2. 4. are any kind of green plant..
  3. 5. a trait or variants encoded in DNA and passed from parent to offspring during reproduction.
  4. 7. of Numbers
  5. 8. role an organism plays in a community..
  6. 9. the amount of energy that moves along the food chain is
  7. 10. What is the study of the relationships between living organisms, including humans, and their physical environment
  8. 12. the total number of individual organisms at each level in the food chain of an ecosystem.
  9. 13. made up of the parts of Earth where life exists.
  10. 14. type of symbiotic relationship where all species involved benefit from their interactions.
  11. 16. factor
  12. 18. activity 1. the various actions for recreation, living, or necessity done by people
  13. 20. nonliving part of an ecosystem that shapes its environment.
  14. 21. the animal's body functions or looks on the outside.
  15. 23. living organism that shapes its environment.