unit 10 vocab

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Across
  1. 2. a larger, more inclusive taxonomic category than a kingdom (there are 3-Bacteria, Archaea, and Eukarya)
  2. 3. descent a term within evolutionary biology which refers to the common ancestry of a particular group of organisms.
  3. 6. heritable characteristic that increases an organism's ability to survive and reproduce in an environment
  4. 9. selection selective breeding of plants and animals to promote the occurrence of desirable traits in offspring
  5. 12. dating method for determining the age of a sample from the amount of a radioactive isotope to the nonradioactive isotope of the same element in a sample
  6. 13. diagram depicting patterns of shared characteristics among species
  7. 14. character–a trait that arose in the most recent common ancestor of a lineage and was passed to its descendants
  8. 15. how well an organism can survive and reproduce in its environment
  9. 17. structure structures that are similar in different species of common ancestry
  10. 18. the study of the evolutionary history of lineages of organisms
  11. 19. change over time; the process by which modern organisms have descended from ancient organisms
  12. 21. dating method of determining the age of a fossil by comparing its placement with that of fossils in other rock layers
  13. 23. name refers to the colloquial name of a taxon or species. It is the name known to the general public or is based on any language
  14. 24. the study of past and present distribution of organisms
Down
  1. 1. nomenclature classification system in which each species is assigned a two-part scientific name
  2. 3. evolutionary branch of a cladogram that includes a single ancestor and all its descendants
  3. 4. refers to an individual with characteristics different from the others of the same kind.
  4. 5. preserved remains or traces of ancient organisms
  5. 7. structure body parts that share a common function, but not structure
  6. 8. selection process by which organisms that are most suited to their environment survive and reproduce most successfully; also called survival of the fittest
  7. 10. fossil distinctive fossil that is used to compare the relative ages of fossils
  8. 11. structure structure that is inherited from ancestors but has lost much or all of its original function
  9. 16. molecules molecules in different organisms that show similarities in their composition (DNA, RNA and proteins)
  10. 19. the branch of biology and medicine concerned with the study of embryos and their development.
  11. 20. name A name used by scientists, especially the taxonomic name of an organism that consists of the genus and species
  12. 22. classification comprising related organisms that share common characteristics and are capable of interbreeding