In a population of 80 foxes, 60 are born and 8 emigrate in a given year. What is the per capita birth rate?1 point0.800.700.850.75

The graph represents the population of a town y, in hundreds of thousands of people, where x is the number of years since 1980. What is the annual growth rate written as a decimal?

A population of mice has 2,000 individuals. They have a death rate of 160 per year and a birth rate of 160 per year. Assuming 19 mice migrate into the population and 19 migrate out of the population per year, how many individuals would there be after the first year? (To answer, write numerals in the box below.) Fill in the blank

The population of a city is 160,000.If it increases at the rate of 6% per annum, then what will be its population 2 years hence?Options1797762580000NONE1000000

A population of foxes inhabits a small forest. The size of the population is currently below the forest's carrying capacity for the foxes. Which factor could cause an increase in the population's growth rate? A. The population's level of immigration falls below its level of emigration. B. The population's birth rate falls below its death rate after a predator is introduced. C. An increase in food availability increases the birth rate in the population. D. A lack of mating opportunities increases the population's level of emigration.

A population of snakes has 900 individuals. They have a death rate of 30 per year and a birth rate of 20 per year. Assuming 6 snakes migrate into the population and 3 migrate out of the population per year, how many individuals would there be after the first year? (To answer, write numerals in the box below.) Fill in the blank