Unit 4 Part 2

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Across
  1. 5. the scientific study of fossils
  2. 6. method of separating proteins by electrical charge
  3. 8. Kingdom composed of multicellular eukaryotic heterotrophs whose cells do not have cell walls
  4. 9. species- Scientific names of organisms.
  5. 12. science of classification
  6. 14. structure-Body parts that share a common function, but not structure
  7. 15. with modification- each living species has descended, with changes, from other species over time
  8. 16. An organism in the earliest stage of development
  9. 18. Kingdom composed of multicellular photosynthetic autotrophs that have cell walls containing cellulose
  10. 21. study of embryos and their development
Down
  1. 1. Evolutionary history of a species or group of species.
  2. 2. key- step by step approach to identify an organism using a series of paired descriptions
  3. 3. Diagram that shows the evolutionary relationships among a group of organisms
  4. 4. Kingdom composed of heterotrophs including mushrooms, mosses, and yeast that obtain energy and nutrients from dead organic matter
  5. 7. tree-branching diagram suggestion evolutionary relationships that classifies species into groups within groups
  6. 10. Study of past and present distribution of organisms
  7. 11. tree- branching diagram that reflects evolutionary relationships among groups of organisms
  8. 13. acid sequencing-Getting sequence from a protein and then comparing between organisms. STRONGEST EVIDENCE FOR RELATIONSHIPS AMONG ORGANISMS.
  9. 17. sequencing- Determining the exact order of the base pairs in a segment of DNA.
  10. 19. layers-Layers of rock that are successively deposited on top of one another and best rock to look for fossils
  11. 20. ancestry - when organisms are descended from a single ancestor