Life Sciences Extra Credit

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Across
  1. 2. The location of TD's ORSs
  2. 3. Things that remain the same between test groups in an experiment
  3. 5. A process of breeding for desirable traits in domestic animals, like Darwin's pigeons
  4. 6. The scientist whose system of classification of living organisms we still use today
  5. 7. A test group that isn't exposed to the independent variable in an experiement
  6. 9. The state of an ecosystem that is always working towards returning to balance
  7. 12. One of two prokaryotic domains
  8. 13. The trophic level of primary consumers
  9. 15. The broadest taxon of scientific classification of organisms
  10. 16. A theory of evolution that says change happens a very small amount at a time
  11. 18. A sampling method best for moving animals
  12. 24. The number of postulates of natural selection
  13. 25. Baby oysters less than 1cm in length
  14. 26. The end of the oyster near the hinge
  15. 28. A group of individuals of the same species that interbreed
  16. 29. The number of options given in each section of a dichotomous key
  17. 30. The book that contains the first explanation of Darwin's theory of natural selection
  18. 32. The birds Darwin is famous for studying
  19. 33. The kingdom to which algae belong
  20. 35. Organisms that make their own food
  21. 36. The islands Darwin famously studied off the coast of Ecuador
Down
  1. 1. A system of naming organisms by their genus and species
  2. 4. The number of years that Darwin sailed on the HMS Beagle
  3. 8. A sampling method best suited for plants
  4. 10. Oysters build these as they grow on top of one another
  5. 11. The step-by-step set of instructions for how to conduct a particular experiment
  6. 14. The species of oyster that populates New York Harbor
  7. 17. An educated guess about the outcome of an experiment
  8. 19. The largest phylum in the animal kingdom
  9. 20. The muscle that holds an oyster's shells shut
  10. 21. The process in which groups of organisms change in their heritable traits over generations
  11. 22. The theory that explains the ancestral connection between humans and apes
  12. 23. What the experimenter controls in an experiment
  13. 27. The tool we use to measure oyster length
  14. 31. The name of Darwin's friend who was a pigeon breeder
  15. 34. Fixed in one place, immobile
  16. 35. The non-living parts of an ecosystem