Common Ancestry

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Across
  1. 2. type of speciation where geographic barriers separate
  2. 5. naturalist and biologist known for his theory of evolution through natural selection
  3. 8. formation of a new and distinct species
  4. 9. structures with similar structure but different function
  5. 10. a group of organisms consisting of similar individuals capable of interbreeding
Down
  1. 1. homologies with similarities in DNA sequences
  2. 3. total number of fossils and their locations in rock formations and sedimentary layers of Earth
  3. 4. type of speciation where species share the same habitat but become reproductively isolated from each other
  4. 6. structures with different structure but the same function
  5. 7. homologies with similarities in how embryos form