Across
- 4. These type of structures are inherited from common ancestors. Bird wings and reptile limbs are an example.
- 7. There are four principles to this mechanism that explains how populations can change over time
- 8. An early prebirth stage of an organism's development
- 11. This is the measure of the relative contribution that an individual trait makes to the next generation.
- 13. An example of this is human breeding of dogs
Down
- 1. These type of structures have the same purpose but were not inherited from a common ancestor. An example are wings on dragonflies and eagles.
- 2. modern birds have many of these type of traits which appeared in dinosaurs
- 3. Kingsnakes have color patterns similar to the poisonous coral snake. This is an example of ______
- 5. White rabbits in snow is an example of this adaptation.
- 6. These type of traits do not appear in common ancestors
- 9. This scientific field studies how organisms are distributed around the Earth.
- 10. This is the term that is used to define long term cumulative change in a group of organisms
- 12. An example of this type of structure are wisdom teeth in humans