year 7 Biology

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Across
  1. 3. The fourth of the hierachical groups for taxomony
  2. 7. Numbers of one species living in a given area at a particular time.
  3. 11. The jelly-like substance that fills a cell.
  4. 12. One of the five kingdoms of living things
  5. 13. The process whereby new organisms are produced from pre-existing ones.
  6. 16. One of the five kingdoms of living things
  7. 18. Process of sorting into groups using feature the organisms have in common.
  8. 23. Organisms which have been brought into an environment where they did not naturally occur. (two words)
  9. 24. The process where the whole organism or part of it changes position or orientation.
  10. 26. A community of living organisms (plants, animals and microbes) in conjunction with the nonliving components of their environment (things like air, water and mineral soil), interacting as a system.
  11. 27. All the factors that affect an organism in its habitat.
  12. 28. The process that results in an organism increasing in size (often due to cell division).
  13. 29. One of the five kingdoms of living things
  14. 31. The flow of energy from organism to organism in a series of feeding relationships. (two words)
  15. 33. The process whereby chemicals required by an organism to maintain life are obtained.
  16. 34. The fifth of the hierachical groups for taxomony
Down
  1. 1. An organism whose cell has no proper nucleus and no membrane-bound organelles e.g. a bacterium.
  2. 2. Organism which consumes detritus (dead particulate matter)
  3. 4. A non-living layer that surrounds the cell membrane. In plants, this is made of cellulose. (two words)
  4. 5. The living place of an organism.
  5. 6. An organelle in plant cells which contains chlorophyll and is the site of photosynthesis.
  6. 8. The second of the hierachical groups for taxomony
  7. 9. Process of controlling of pest populations by introducing their natural enemies (two words).
  8. 10. Process of getting nutrition by organisms taking in ready-made food
  9. 14. The process of the removal of metabolic wastes from the body of an organism.
  10. 15. The process whereby natural forests are cleared through logging and/or burning, either to use the timber or to replace the area for alternative uses such as farming.
  11. 17. Organism which consumes plants or algae. Also known as a first order consumer.
  12. 19. Movement
  13. 20. The thin layer surrounding the cell. It controls what enters and leaves the cell. (two words)
  14. 21. Organism which consumes food killed by other organisms.
  15. 22. The third of the hierachical groups for taxomony
  16. 25. The second last of the hierachical groups for taxomony
  17. 30. All the organism living in a given area at a particular time.
  18. 32. A living thing.