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