Population Growth
Reproductive Strategies
Age Structure Diagrams
Human Population Dynamics
Population Math!
100
The type of growth that is unrestricted resulting in the maximum growth of that population
Exponential Growth
100
What type reproductive strategy do organisms with a short life, rapid growth, many small offspring, and Little parental care, have?
r-selected species
100
According to the age diagram below, what percent of the population is females aged 25-29?
~5%
100
If a country has a high birth rate and death rate, and there are many children that are part of the workforce. This country is most likely in which stage of demographic transition?
Stage 1
100
What is the density for the population of LWHS? We have 1,765 students and our building is 214,000 ft^2?
0.008 students/ft^2
200
The type of growth that caps around the maximum number of organisms that can be supported by an ecosystem
Logistic growth
200
What type reproductive strategy do organisms with Long Life spans, Large Size, and few offspring for each gestation, have?
K-Selected Species
200
Using the age structure diagram below, the population is ____decreasing/increasing/stable
Decreasing
200
Which stage of demographic transition has the fastest growth rate?
Stage 2 (Transitional)
200
What is the percent change in a population that goes from 2,000 people to 3,330 people?
66.5%
300
The number of individuals that an area can support and still remain healthy.
Carrying Capacity
300
Ms. Thody has discovered a new organism. This organism reproduces frequently throughout its life, and has a short lifespan. Based on this which survivorship type best describes these dinosaurs?
Type III
300
Using the age structure diagram below, the population is ____decreasing/increasing/stable
Increasing
300
Although the fertility rate for women in the United States has declined in recent years to a value below replacement level, the United States population is still increasing because of
Immigration
300
What is the growth rate for a population with a birth rate of 137 and a death rate of 22?
11.5%
400
Density independent factors tend to all be....
Abiotic
400
Humans tend to follow what type of survivorship?
Type I Survivorship
400
Using the age structure diagram below, the population is ____decreasing/increasing/stable
Stable
400
The total fertility rate in a country lowered from 1980 to 2015 moving this country closer to a replacement (stable) level. What are TWO things this country could have done to decrease the total births in this country?
Access to birth to control
Family planning
Increased education opportunities
400
What is the population doubling time in years for a country with an annual growth rate of 3.5 percent
20 years
500
How could you increase the carrying capacity of an ecosystem?
-Decrease Predators
-Decrease Competition --> Increase Food/Resource Availability, Increased Space
- Disease prevention
500
r Selected Species follow _______ survivorship
Type III OR Type II
500
Which country has the largest population?
China
500
What happens to the birth rate when a population transitions from a preindustrial state (Stage 1) to an industrial state (Stage 4)?
The birth rate remains high
500
How long would it take a population to double if its birth rate is 144 and death rate is 29?
6 years