Across
- 2. Biotic factors such as predation, disease, parasites, and competition
- 4. Abiotic factors such as weather events
- 7. The number of individuals moving away from a population
- 10. The pattern of spacing a population within an area
- 11. A change in a population from high birth and death rates to low birth and death rates
- 12. Explains how fast a population grows
- 15. Where the population only slightly decreases with time
- 17. The rate of population rapidly increasing.
- 19. Produces as many offspring as possible
Down
- 1. The number of organisms per area
- 3. The maximum number of individuals in a species that an environment can support for the long term
- 5. Where the population only slightly decreases but peaks in two spots
- 6. Where the population peaks during childhood
- 8. Results in a s shaped graph
- 9. Births + immigration = deaths + emigration
- 13. How many people are there (______ billion)
- 14. The study of human population size, density, distribution, movement, and birth and death rates
- 16. The number of males and females in each of three age groups
- 18. The number of individuals moving into a population