Natural Selection
Across
- 2. island chain off the coast of south america where darwin stopped
- 7. random change to DNA that adds variation
- 9. a type of bird observed in the galapagos islands
- 11. _____ variation leads to phenotypic variation
- 12. when humans choose traits for animals to inherit
- 13. all alleles in a population (2 wds)
- 14. differences in phenotype among in individuals within the same species
- 15. occurs during meiosis and adds variation
Down
- 1. the father of natural selection
- 3. a trait that enhances an organisms ability to survive
- 4. the relative measure of how well an organism passes its genes
- 5. a natural process which acts as the a mechanism evolution to occur
- 6. an observed physical trait
- 8. the name of Darwin's ship
- 10. the alleles inherited from a parent