Common Ancestor

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Across
  1. 5. anatomy the study of similarities and differences among structures of living and fossil species.
  2. 6. the study of the growth and development of a species before birth that can shed light on how it evolved and how various species are related
  3. 7. a person, plant, or animal that is descended from a particular ancestor.
  4. 9. Structures Structures that have no apparent function and appear to be residual parts from a past ancestor
  5. 10. a diagram that shows relationships between species. These relationships are based on observable physical characteristics
Down
  1. 1. Structures similar physical features in organisms that share a common ancestor, but the features serve completely different functions.
  2. 2. The study of the structure of a plant or animal
  3. 3. Ancestor the most recent ancestor that two individuals share.
  4. 4. the traditions, beliefs, and values that are passed down from one generation to the next
  5. 8. Structures features of different species that are similar in function but not necessarily in structure and which do not derive from a common ancestor.