Comparative Embryology

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Across
  1. 2. structure attributes that have lost some or all of the ancestral function in a given species
  2. 5. structure, similar structures evolved from a common ancestor
  3. 6. animals, animals that have not changed dramatically and remain very similar to their ancestors
  4. 7. unborn or unhatched offspring in the process of development
Down
  1. 1. an animal of a large group distinguished by the possession of a backbone or spinal column
  2. 3. the studies involving the bodily structure of humans, animals, and other living organisms
  3. 4. DNA analysis, the process of determining an individual's DNA characteristics