science crossword puzzle

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Across
  1. 1. the system of nomenclature in which two terms are used to denote a species of living organism, the first one indicating the genus and the second the specific epithet.
  2. 4. microorganisms that have a range of characteristics.
  3. 6. a kingdom or large grouping that comprises mostly single-celled organisms such as the protozoa
  4. 7. a organism with more than one cell
  5. 9. a single celled organism
  6. 12. single cell eukaryotic microorganisms instrumental to winemaking, baking, and brewing
  7. 14. the state of steady internal, physical, and chemical conditions maintained by living systems
  8. 17. any cell or organism that possesses a clearly defined nucleus.
  9. 19. the practice and science of categorization or classification.
  10. 21. relating to a living thing that can make its own food from simple chemical substances such as carbon dioxide
  11. 22. A specific physical region or amino acid sequence in a protein which is associated with a particular function or corresponding segment of DNA.
  12. 23. a type of eukaryotic organism belonging to the kingdom Fungi, alongside plants, animals, protozoa, and monera
  13. 24. a group of microorganisms considered to be an ancient form of life that evolved separately from the bacteria and blue-green algae
  14. 25. a genus of eukaryotic, unicellular ciliates, commonly studied as a representative of the ciliate group
Down
  1. 2. type of reproduction that does not involve the fusion of gametes or change in the number of chromosomes
  2. 3. the second highest taxonomic rank
  3. 5. might ask whether the tree has leaves or needles
  4. 8. the kingdom that contains all animals, including humans
  5. 10. a single-celled organism that lacks a nucleus and other membrane-bound organelles
  6. 11. the production of new organisms by the combination of genetic information of two individuals of different sexes.
  7. 13. an organism that cannot produce its own food, instead taking nutrition from other sources of organic carbon
  8. 15. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
  9. 16. type of cell or unicellular organism with the ability to alter its shape
  10. 18. the action or process of classifying something according to shared qualities or characteristics.
  11. 20. the taxonomic kingdom comprising all living or extinct plants