Across
- 5. An environmental factor, such as a disease, is an example of density ______ limiting factor
- 6. selection, Individuals that are better adapted to their environment are more likely to survive and reproduce (two words)
- 8. a characteristic that can be passed from generation to generation
- 9. variation of genes and species within an ecosystem
- 11. Scientists use these to show a progression of change in organisms over time
- 12. density, a measure of the number of individuals in a set area (two words)
- 13. factor, the amount of resources available (two words)
Down
- 1. a difference in a trait
- 2. a change in DNA that can cause change in a trait
- 3. a trait that helps an organism survive and reproduce
- 4. a biotic or abiotic factor that an organism needs to live
- 7. capacity, the maximum population size that can be supported by an ecosystem (two words)
- 10. An environmental factor, such a forest fire, is an example of a density _______ limiting factor
