Population Biology Across 8. Population growth pattern where a population grows faster as it increases in size. Down 1. Factor such as disease, parasites, or food supply that has an increasing effect as populations increase. 2. Number of organisms of one species that an environment can support. 3. Factor such as temperature, storms, floods, drought, or habitat disruption that affects all populations, regardless of their density. 4. Movement of individuals into a population. 5. Movement of individuals from a population. 6. Proportions of a population that are at different ages. 7. Study of population characteristics such as growth rate, age structure, and geographic distribution. Home