Across
- 2. Variation where there is a limited number of phenotypes for a feature.
- 3. A change in a gene or chromosome
- 4. The probability of an organism surviving and reproducing in its environment.
- 7. Differences between individuals of the same species
- 9. Environmental factor that causes organism with certain characteristics to have a better chance of survival.
- 11. A feature that helps an organism survive in its environment.
- 12. process by which humans select animals / plants with desired characteristics to reproduce.
Down
- 1. Variation between individuals as a result of environmental factors.
- 3. Substances that cause mutations
- 5. Group of organisms with similar characteristics which are capable of interbreeding and producing fertile offspring.
- 6. variation in a feature that shows a range of phenotypes that lie between two extremes.
- 8. A length of DNA that codes for a specific characteristic.
- 10. Variation between individuals as a result of different genotypes.