Biology

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