Across
- 1. when there is higher density, this factor spreads faster
- 4. individuals leave the ecosystem
- 6. things like hurricanes, tornados, earthquakes...
- 8. individals figh for resorces
- 9. Factors that affect populations no matter their size
Down
- 1. when preys increase, redators also increase
- 2. individuals arrive to the ecosystem
- 3. if this factor has changes from usual the population is affected
- 5. Factors tha affect populations according to their density
- 7. the activities of this species affects ecosystems