Across
- 1. Analogous structures indicates that two species DO NOT have common _______.
- 6. ________ anatomy is the study of similarities and differences among structures of living species.
- 8. ________record indicates that different species of horses often overlapped with each other.
- 9. structures are body parts of organisms that are similar in structure and position but different in function
- 10. is change in the heritable characteristics of biological populations over successive generations.
Down
- 2. _______selection is the process through which populations of living organisms adapt and change.
- 3. occurs when the last individual organism of a species dies.
- 4. Body parts that perform a similar function but differ in structure are.
- 5. The science of the development of embryos from fertilization to birth is called ______.
- 7. are body parts that have lost their original function through evolution.