Across
- 2. an evolutionary tree that diagrams the ancestral relationships among organisms
- 4. theory in postulating that the evolution of certain conspicuous physical traits in animals may grant the possessors of these traits greater success in obtaining mates
- 8. a way to find out how old something is
- 9. the range of different inherited traits within a species
- 10. two species with different ancestral origins develop similar characteristics
Down
- 1. evolution of an animal or plant group into a wide variety of types adapted to specialized modes of life
- 3. two species diverge from a common ancestor and develop different characteristics
- 5. the movement of continents resulting from the motion of tectonic plates
- 6. the ability of an organism to pass on its genetic material to its offspring
- 7. asexual reproduction by a separation of the body into two new bodies