Grade 12 Population Calculation Worksheet
This worksheet covers various methods for calculating population growth, decay, and related statistics at a Grade 12 level, including exponential growth, logistic growth, and density.
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Population Calculation Worksheet
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Read each question carefully and provide your answers in the space provided. Show all your work for calculations.
1. A bacterial population starts with 500 individuals and doubles every 3 hours. Calculate the population size after 12 hours.
2. In a logistic growth model, the carrying capacity (K) represents the maximum population size that the environment can . When the population size approaches K, the growth rate .
3. A city has a population of 1,500,000 people and covers an area of 300 square kilometers. What is the population density?
500 people/km²
5,000 people/km²
50,000 people/km²
5 people/km²
4. A population with a high birth rate and a low death rate will generally experience population decline.
True
False
5. The current population of a town is 20,000. If the annual growth rate is 3%, what will be the population after 5 years?
Match each term on the left with its definition on the right.
1. Natality
a. The movement of individuals out of a population
2. Mortality
b. The number of births in a population
3. Immigration
c. The number of deaths in a population
4. Emigration
d. The movement of individuals into a population
6. A radioactive substance has a half-life of 10 years. If you start with 100 grams, how much will remain after 30 years?