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Biology

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1. 1.Birth Rate 2.Immigration 3.Death Rate 4.Emigration
2. Biotic or abiotic resources that limits size of population.
3. Change in population size, density, dispersion, and age distribution.
4. The number of individuals in a population at a given time.
5. The number of individuals per unit area or per unit volume.
6. The spatial pattering of individuals.
7. Is the population of individuals in each age group of a population.
8. If the number of individuals added are balanced by those lost then there is a zero population growth.
9. Populations vary in their capacity for growth.
10. Reliant on a dense population for effect (pests, infeatious diseases, competiton for resources, predation).