Unit 5: Classification

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Across
  1. 4. domain including single-celled organisms without nuclei including those that cause disease and those with beneficial purposes
  2. 6. a tool that can be used to identify an unknown object or organism based on its unique traits
  3. 7. an organism that can make its own food; producer
  4. 9. kingdom including organisms that are eukaryotic, multicellular, heterotrophs, and do not have cell walls
  5. 10. the science of naming and classifying organisms based on their natural relationships
  6. 11. domain including single-celled organisms without nuclei including those that often live in extreme environments
  7. 12. process of dividing things into groups according to their characteristics
  8. 14. Swedish scientist who created the first widely accepted way of classifying organisms; known as "the father of taxonomy"
  9. 16. kingdom including organisms that are eukaryotic, mostly multicellular, heterotrophs, and have cell walls
  10. 17. domain including all life forms that have cells with nuclei including all animals, plants, fungi, protozoa, and algae
Down
  1. 1. kingdom including organisms that are eukaryotic, multicellular, autotrophs, and have cell walls
  2. 2. describes a complex cell that has a membrane-bound nucleus and organelles
  3. 3. kingdom including organisms that are eukaryotic and mostly unicellular; can be autotrophs or heterotrophs
  4. 5. the highest level of taxonomic category for organisms, above the traditional category of kingdom
  5. 8. describes a primitive cell that does not have a membrane-bound nucleus
  6. 13. an organism that cannot make its own food; consumer
  7. 15. a taxonomic category representing a group of individual organisms that resemble one another closely and are able to interbreed