Organisms and their Environment

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Across
  1. 7. when different populations of plants and animals live together and interact within the same environment, they make up an
  2. 8. a series of organisms through which energy and nutrients are transferred, beginning with a producer
  3. 11. another word for biological balance. It has same meaning with biological balance
  4. 12. a community of organisms interacting with one another and with its non-living environment
  5. 16. having a huge appetite
  6. 17. the interrelationships among organisms, including the structure of food webs and the ability of ecological systems to sustain themselves over time
  7. 20. allows us to compare the number of organisms present in each trophic level at a particular time
Down
  1. 1. The various processes by which carbon, in the form of carbon dioxide, is removed from and released into the environment make up the
  2. 2. allows us to compare the mass of organisms present in each trophic level at a particular time
  3. 3. the study of organisms and how they interact with the environment around them
  4. 4. is made up of all the populations of different species living and interacting with one another in a habitat
  5. 5. a group of organisms of the same species that live together in a habitat
  6. 6. the place where an organism lives
  7. 9. the position of an organism in the food chain
  8. 10. a graphical representation showing the relationship between different organisms in an ecosystem
  9. 13. consists of processes by which nitrogen is constantly removed from the soil and is eventually returned to it in the form of nitrates
  10. 14. allows us to compare the total energy in each trophic level of a food chain over a certain period of time
  11. 15. consists of a network of interconnected food chains
  12. 18. are organisms that get their energy by breaking down dead organisms, faeces and excretory products
  13. 19. are organisms that are not able to make their own food