Across
- 4. when two organism have structures that do the same job, but they are built differently
- 7. when you look at the anatomy of different things and figure out how they are alike
- 8. What all living things are made of
- 10. the study of the development of organisms
- 11. the oldest discovered life
Down
- 1. an organism that has hair, and gives birth to live young
- 2. the study of the structure of living things
- 3. the pelvis of a whale is an example of this
- 5. when two organism have the same structure but that structure could do different things
- 6. a structure that is inherited from ancestors, but is no longer functional
- 9. an organism that has a back bone