Across
- 5. The differences of creatures of the same species.
- 6. Something that happens when a trait is passed onto the offspring.
- 7. The chance of reproducing for that animal.
- 8. Natures way of saying survival of the fittest.
- 9. A sudden event which kills a significant population of the species.
Down
- 1. A change of genes that can either benefit or not benefit a creature.
- 2. The amount of different alleles in a population.
- 3. A positive mutation of a creature.
- 4. Change in a frequency of a random trait in a species.