Across
- 3. species are populations, or groups of populations, within andamong which individuals actually or potentially interbreed and outside of which they do not interbreed
- 4. evolution of Major life forms from older ones,describes patterns on the tree of life over normally long time scales
- 7. ______dating of rock formations containing fossils
- 8. similarity due to the inheritance of traits from a common ancestor
Down
- 1. ___Structures are useless or rudimentary version of functions that have an important feature in another species
- 2. Lineages split and diverge to form new lineages
- 4. Changes in allele frequency in a species
- 5. ______Evolution is inherited change in the properties of groups of organisms over the course of generations.
- 6. Any trace of an organism that lived in the past