Across
- 2. A set of trails expressed by an individual
- 8. The death of the last member of a species
- 9. a change in the genetic composition of a population over time as a result of random mating
- 10. Evolution that gives rise to new species gnera families classes and organsim
- 12. A physical location on the chromosomes within each cell of an organism
- 13. Evolution below the species level
- 14. The number of species in a given area
Down
- 1. a reduction in the gentic diversity of a population caused by a reduction in its size
- 3. A trait that improves an individual's fitness
- 4. The branching pattern of evolutionary relationships
- 5. An individual's ability to survive and reproduce
- 6. A change in the genetic composition of a population as a result of descending from a small number of colonizing individuals
- 7. A change in the genetic composition of a population over time
- 11. A random change in the genetic code produced by a mistake in the copying practise
- 12. The complete set of genes in an individual trials type