Across
- 4. Number of males and females of each age population
- 5. A factor that controls growth of a population
- 6. Usual weather as hurricanes, droughts, or floods, and natural disasters such as wild fires
- 8. The number of individuals per unit area
- 9. The larger the population gets the faster it grows
- 10. When a population grows because individuals move into its range from elsewhere
- 11. When a populations growth slows then stops, following a period of exponential growth
Down
- 1. Includes competition, predation, hebivory, parasitism, disease, and stress from over crowding
- 2. Dramatic changes from high birthrates and death rates to low birthrates and death rates
- 3. When a population decreases because individuals move out of the populations range
- 6. characteristics of human populations and attempts to explain how those with change over time
- 7. The maximum number of individuals of a particular area of a particular species that a particular environment can support