APES Unit 3 Test
Scientists are closely monitoring caribou populations to examine the effect of global climate change on habitat. The maximum population size for a herd of caribou based on the amount of habitat was 500,000. A herd of caribou currently has a population size of 198,00 caribou as a result of habitat loss. Which of the following methods should be used to determine the percent change between the maximum population and the current population for this herd of caribou?
(198,000 caribou - 500,000 caribou) / 500,000 caribou x 100
Using the data from the table, which of the following is the growth rate for China in 2019?
0.38%
If a city of population 10,000 experiences 100 births, 40 deaths, 10 immigrants, and 30 emigrants in the course of a year, what is its net annual percentage growth rate?
0.4%
The infant mortality rate and the child mortality rate are defined as the number of deaths per 1,000 live births for children under _______ and ________ of age, respectively
1 year; 5 years
By 2100, there is estimated to be __________ people in the world
10.9 billion
The United States growth rate is about 0.7%. About how long to double?
100 years
Which of the following calculation methods would determine the percent change in the crude birth rate from 1994 to 2019?
11.9-17.6/17.6 x 100
Use Figure 7-1. Approximately how many males in population A are under the age of 10?
130,000,000
Which of the following was the doubling time for China's population in 2014 if the growth rate was 0.49%?
142.9 years
The graph illustrates the total fertility rates measured from 1950 to 2020. The total fertility rates are projected from 2020 to 2040. Based on the data in the graph, when did more-developed regions first reach replacement level fertility?
1970
In 1950, there were around _______ people in thew world
2.5 billion
Use Figure 7-1. Approximately how many females in population B are between the ages of 50 and 59?
20,000,000
Scientists collected data for 35 years on the populations of mice and owls in a given area. Based on the trends shown in the table, in which of the following years was the owl population at carrying capacity?
2015
The 2020 population for the USA is around
331 million
The graph illustrates the total fertility rates measured from 1950 to 2020. The total fertility rates are projected from 2020 to 2040. Based on the data in the graph, what was the average number of children bon per woman in less developed regions in 1975?
4.7
Based on the graph, what is the approximate carrying capacity of the seal population?
7,500
If 4000 wolves live in an area of about 500 square kilometers, what is the population density of those wolves?
8 wolves/ sq. km
In a given country, the population size is decreasing because there are fewer pre-reproductive aged individuals in the population. Which of the age structure diagrams best illustrates the population of this country?
A
Use Figure 6-1 to select the option that correctly labels point A and point B.
A - point of slowest growth B - carrying capacity
Explain what a baby box is and what it helps prevent(2 sentences).
A baby box is a literal box with a hard base that offers new parents a good start with raising their babies. It's used to reduce the rate of sudden infant death syndrome
Which graph best illustrates a population growing at its biotic potential?
B
The following questions refer to the table below, which shows population, area, and energy use of several countries. **COULDN'T READ QUESTION BUT ANSWER IS Bangladesh
Bangladesh
Dandelions grow quickly and produce many seeds, ensuring that at least some plants will survive and produce seeds themselves. Which curve best represents the survivorship of dandelions?
C
Which formula can be used to estimate population size?
CBR + Immigration - CDR - Emigration
Which of the age structure diagrams best illustrates a country that has a stable population size and slows or no population growth?
D
Which of the following best describes a difference between generalist species and specialist species?
Generalists use a larger range of resources, while specialists have a limited range of resources they use to survive
Which of the following statements is best supported by the population doubling times indicated on the map?
India has a higher population growth rate than China and Australia have
Which of the following best describes the change in the carrying capacity of the human population if growth is limited by conditions set forth by the Malthusian theory?
The carrying capacity will decrease and the human population size will experience a dieback
Identify 2 reasons maternal mortality rates are higher than any developed nation
There is severe bleeding which can kill a healthy woman within hours if left unattended. Infection also influences maternal mortality rates. Good hygiene can prevent this. Pre-eclampsia also raises mortality rates, but it can be detected in a timely manner
The definition of family planning is: the ability of individuals and couples to attain and anticipate their desired number of children and the spacing and timing of their births. Not to limit births.
True
The most populous countries in the world are China, India, and
United States
WIC stands for
Women, Infants, and Children
All of the populations of organisms within a given area make up
a community
In phase 3 of a demographic transition, _______________ increases while ______________ decreases.
affluence; the crude birth rate
Within the United States, which subgroup has the lowest infant mortality?
african american
The demographic transition model describes population change over time as a country becomes more developed. Age structure diagrams describe how populations are distributed across age ranges. Which of the following age-structure diagrams best displays the age ranges in a country that is in stage 2 of the demographic transition?
an expansive pyramid age-structure diagram
Which of the following changes would most likely lead to a mammal population exceeding its carrying capacity?
an increase in mortality of adults during mating season
Use Figure 7-1. Population B wouldn't most likely be in which phase of demographic transition?
between 3 and 4
As affluence increases, TFR _______
decreases
A scientist is studying a biome that experiences large seasonal fluctuations in both temperature and precipitation patterns. Which of the following would best characterize the organisms that inhabit the biome?
generalists would be most abundant because the resources available would be constantly changing
Use Figure 7-1. Population A is most likely
growing rapidly
According to the graph above, the global human population will most likely
have doubled between 1950 and 2150
Which pattern describes a type 1 survivorship curve?
high survival throughout the lifespan until individuals die in old age
Based on the survivorship curves shown below, which of the following is a possible reason for the change in the shape of the curve from 1900 to 1960?
improvements in health care services and medical research
Which of the following is most likely the primary cause of high death rates in phase I?
infant and childhood mortality
Which of the following characteristics in the table best supports the claim that Country A is a more developed country and that Country B is a less developed country?
infant mortality rate
Discuss one topic learned in class during this unit, not directly associated with this test. (5-7 good sentences)
make it up
Which of the following is not a K-selected species?
mouse
Which of the following best describes a density-independent factor that controls population size?
occurrences of droughts and flooding
The tropical rain forests are known to have a large variety of animals. One example is the orchid mantis that is highly camouflaged when standing on a certain species of orchid found in tropical environments. Another species, the tropical cockroach can live anywhere in the rain forest where it can find water and a food source. Which of the following statements best describes why it is predicted that the orchid mantis will be more affected by global climate change than the tropical cockroach will be?
orchid mantises tend to be advantaged in habitats. that means constant: the rain forest habitat is likely to shift because of global climate change
Use Figure 7-1. Which population is larger?
population a is larger than population b
Song sparrows are found in a variety of habitats, including marshes, grasslands, agricultural fields, and suburban areas. They feed on a variety of organisms, including beetles, caterpillars, snails, and earthworms. They also consume plants, including different types of grains and berries. The table below summarizes the reproductive data for song sparrows. REPRODUCTIVE DATA FOR SONG SPARROWS Clutch Size 1-6 eggs Number of Broods per year 1-7 broods Incubation Period 12-15 days Nestling Period 9-12 days Based on the description what would the song sparrow be classified as?
r-strategists and generalists
Use Figure 7-1. Population B is most likely
stable
During which stage of the demographic transition shown above does a population begin to experience an explosive increase in growth?
stage 2
The total fertility rate (TFR) is an estimate of
the average number of children each woman in a population will bear
Which of the following claims is best supported by the data in the table?
the black rhino is a k-selected species because it has a low number of offspring per reproductive event
A small developing country with negligible rates of immigration and emigration is going through a demographic change. Thirty years ago the crude birth rate was 44 per 1000 per year and the crude death rate was 17 per thousand per year. Now the crude birth rate is 16 per 1000 per year and the crude death rate is 5 per 1000 per year. Which of the following statements about the country now is most likely to be true?
the country is at the pre-industrial stage of the demographic transition
What two main factors would best indicate the quality of life of a country's population?
the life expectancy and the infant mortality rate
The rate of population growth starts to slow at which point?
the middle of phase III
The graph below shows the three types of survivorship curves over time. Which of the following characteristic of an organism that displays a Type III survivorship curve as shown in the graph above?
the organism produces large numbers of offspring every time it reproduces
Researchers monitored the number of reindeer over time on an island off the coast of Alaska. The reindeer were introduced in year 1, and the population size was counted every 5 years. The data are shown in the table above. Which of the following claims about trends in the population size over time is best supported by the data?
the population exceeded the carrying capacity of the island, which led to a decrease in the population size following extreme resource depletion
If women in a country delay childbearing
the population growth rate will decrease
Which of the following statements best describes why birth and death rates are changing in a country that is in Phase 2 of the demographic transition?
the population size stops increasing and may decline if birth rates are lower than death rates
Which of the following statements best describes the pattern seen in age structure diagram C?
there is an imbalance between males and females with a ratio of 1:5 men to every woman in the population
The graph illustrates the total fertility rates measured from 1950 to 2020. The total fertility rates are projected from 2020 to 2040. Which of the following best describes the trends seen in the total fertility rates for the world population from 1950 to the projected rates in 2040?
total fertility rates declined rapidly from 1960 to 2000 because women had children later in life as a result of increased educational opportunities
A California lake is inhibited by 3,000 zooplankton, 100 crayfish, 8 sunfish, and 600 minnows. Which is the correct list of population densities from highest to lowest?
zooplankton, minnows, crayfish, sunfish
