Biology

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Across
  1. 3. unicellular or colonial, heterotrophic or autotrophic organisms, including many that are decomposers or cause disease
  2. 4. unicellular or colonial, mostly heterotrophic organisms that are motile as adults and have a pellicle
  3. 6. Constructing evolutionary history is an example of:
  4. 8. this includes reclassifying of organisms according to their evolutionary history
  5. 10. multicellular, autotrophic organisms with cell walls made of cellulose and true tissues and organs
  6. 11. which taxonomic category is most specific?
  7. 12. which domain besides bacteria consists of prokaryotic cells
  8. 15. besides archaea and eukarya, which domain includes unicellular organisms
  9. 17. heterotrophic, multicellular organisms lacking cell walls but having true tissues and organs; example: insect
  10. 20. the scientific name is always __________ when typed.
Down
  1. 1. Water is drawn through a sea stars body through the:
  2. 2. Science of classifying organisms, model that is able to be changed
  3. 5. Because Aristotle’s model of taxonomy was the basis for 8 subgroups we have today, we can consider it a scientific:
  4. 7. which domain includes multicellular organisms
  5. 9. unicellular or colonial, heterotrophic or autotrophic organisms known for living in harsh conditions
  6. 13. plant-like or fungi-like, mostly autotrophic organisms with motile gametes and cell walls made of cellulose
  7. 14. heterotrophic organisms with cell walls made of chitin; unicellular, but have multicellular reproductive stage
  8. 16. On a phylogenetic tree, all the organisms that have supposedly evolved from a common ancestor are collectively known as a:
  9. 18. which language is chosen for the binomial nomenclature?
  10. 19. Each group in a classification system is called a what?
  11. 21. the first word in a scientific name is: