Across
- 2. key idea of natural selection that the more successful individuals survive and pass on their genes
- 3. proposed natural selection as applied to a species
- 5. theory which describes change to living organisms over time
- 8. proposed natural selectrion as applied to many different species
- 10. variations are selected for
- 11. measure of genetic diversity
- 12. selection pressure due to an animal living inside another causing some harm
- 13. selection pressure due to a pathogen
Down
- 1. the nature of a variation which can effect evolutionary change
- 4. one of the main sources of selection pressure (includes food, mates, space)
- 6. the measure of how much heritable variation is present in a population
- 7. any factor which impacts the ability of a species to survive
- 8. change in an organism to their environment
- 9. variations which are selected against
- 12. selection pressure related to an animal eating a species
