Ecosystem

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Across
  1. 3. development that meets the needs of people today without limiting the ability of future generations to meet their needs.
  2. 5. chain a simple model that shows how matter and energy move from one organism to another in an ecosystem.
  3. 6. web a combination of food chains which connects all the living things within an ecosystem.
  4. 7. cycle processes that move nutrients back and forth between the biotic and abiotic environment.
  5. 8. a community of organisms that interact in an environment.
  6. 11. the total dry mass of all selected organisms.
  7. 13. careful management and use of resources to assure continuing availability in the longer run
  8. 14. an animal that kills and eats other animals.
  9. 15. any organism that feeds or obtains nutrients by breaking down organic matter from dead organisms.
Down
  1. 1. the nonliving component of an ecosystem
  2. 2. an organism that can make its own food by using energy from its surroundings.
  3. 4. the living or once-living organisms in an ecosystem
  4. 8. all the living and non-living things that surround an organism.
  5. 9. an organism that eats other organisms
  6. 10. a place where an organism lives.
  7. 12. a group of individuals of the same species that live in the same area.
  8. 13. a group of various species that live in the same habitat and interact with each other
  9. 16. animals that are caught and eaten by other animals.