Across
- 2. number of species given in an area
- 4. Evolution below the species level
- 8. A drastic reduction in the size of a population that reduces genetic variation
- 9. The complete set of genes in an individual is called
- 11. actual set of traits expressed in that individual
- 14. Evolution that gives rise to new species, genera, families, classes, or phyla.
- 15. are physical locations on chromosomes within each cell of an organism
Down
- 1. a change in the genetic composition of a population over time as a result of random mating
- 3. proportion of individuals within the different species in a location
- 5. mistake in the copying process produces a random change in the genetic code
- 6. change in the genetic composition of a population over time
- 7. chromosomes are duplicated during reproductive cell division and a piece of one chromosome breaks off and attaches to another chromosome
- 10. Traits that improve an individual’s fitness are called
- 12. the process by which individuals move from one population to another
- 13. its ability to survive and reproduce