Quiz about Human Population

Question 1

All of the organisms of one species living in the same area.

Accepted Answer

Population

Answer

Individual

Answer

Community

Answer

Ecosystem

Question 2

"Five green and speckled frogs, sitting on a speckled log, eat some most delicious bugs."

Which level of organization is this?

Accepted Answer

Community

Answer

Individual

Answer

Population

Answer

Ecosystem

Question 3

Which of the following is an abiotic factor?

Accepted Answer

Rock

Answer

Grass

Answer

Spider

Answer

Turtle

Question 4

What type of growth is demonstrated in the graph?

Accepted Answer

Exponential

Answer

Carrying capacity

Answer

Linear

Answer

Negative

Question 5

Leveling off of the population after the maximum number the environment can support has been reached.

Accepted Answer

Carrying capacity

Answer

Exponential

Answer

Linear

Answer

Negative

Question 6

Why is understanding carrying capacity important in ecology?

Accepted Answer

Carrying capacity helps determine the maximum population size an environment can sustain.

Answer

Carrying capacity has no impact on ecology.

Answer

Understanding carrying capacity is only important for human populations.

Answer

Carrying capacity is a concept that is not applicable to ecology.

Question 7

In the graph to the right, what is the population of deer at the carrying capacity of the environment?

Accepted Answer

70

Answer

3

Answer

7

Answer

40

Question 8

What type of growth model is shown in image A?

Accepted Answer

Logistic

Answer

Exponential

Question 9

What type of growth model is shown in image B?

Accepted Answer

Exponential

Answer

Logistic

Question 10

What is one of the main negative impacts humans have on ecosystems?

Accepted Answer

Pollution

Answer

Planting trees

Question 11

Which of the following activities tend to decrease biodiversity?

Accepted Answer

Urbanization

Answer

Wildlife conservation

Question 12

According to the graph

Accepted Answer

As population increases, deforestation increases

Answer

As population increases, deforestation decreases.

Answer

Population and deforestation stay the same.

Answer

Population does not affect deforestation.

Question 13

Humans have an effect on ecosystems when they use native grasslands or forested areas for farming or urban use. One negative effect of these changes on the ecosystem is that there will be

Accepted Answer

Less biodiversity

Answer

More homes

Answer

Successful economic growth

Answer

Increased food production

Question 14

Human activities and natural events can have a large effect on populations, biodiversity and ecosystem processes. How does the growth of the human population into rural areas affect the environmental quality of the native ecosystem?

Accepted Answer

Human population growth in rural areas creates additional waste that is put back into the environment and lowers environmental quality.

Answer

Human population growth produces new resources that benefit the native ecosystems.

Answer

Human population growth in rural areas help organisms evolve in order to survive in harsher urban environments.

Answer

Human population growth in rural areas creates additional living areas for humans to populate, which would increase the value of the land.

Question 15

Humans are causing extiction in which ways?

Accepted Answer

All of the above.

Answer

By over hunting animals for food or products.

Answer

By destroying the natural habitat of species.

Answer

By polluting the environments of the world.

Question 16

What is deforestation?

Accepted Answer

cutting and removal of rainforest

Answer

throwing someone out of a window

Answer

selectively cutting trees for lumber, making sure the forest remains healthy

Answer

allowing more animals to graze on the land than it can support

Question 17

What are some consequences of deforestation?

Accepted Answer

soil erosion, loss of ability of trees to remove CO₂ from the atmosphere, loss of animal habitats

Answer

increased population in cities

Answer

weakens the shorelines of land on the coast

Answer

more mercury and cyanide released into rivers

Question 18

What is one pro of urbanization?

Accepted Answer

Creating jobs and access to modern technology

Answer

Decreasing the amount of pollution generated

Answer

Decreasing overcrowding in the countryside

Answer

Feeding the worlds population

Question 19

Peat and wood are obtained through

Accepted Answer

harvesting

Answer

digging

Answer

mining

Answer

drilling

Question 20

This map represents which of the following?

Hint: Population is shown by country so we are able to understand how many people (per square kilometer) live around the world.

Accepted Answer

Population Density

Answer

Population Distribution

Question 21

The pattern in which humans are spread out on Earth's surface.

Accepted Answer

population distribution

Answer

population density

Answer

ecumene

Answer

relative population

Question 22

Predict the future population growth of this country.

Accepted Answer

Negative Growth (the population will shrink)

Answer

Slow/No Growth (the population will stay about the same)

Answer

Growth (the population will definitely grow)

Answer

Fast Growth (the population will explode)

Answer

This country will experience a lot of positive growth.

Question 23

According to the population pyramid of this country, its population is most likely...

Accepted Answer

growing rapidly.

Answer

growing slowly.

Answer

decreasing.

Answer

not changing.

Answer

on a decline

Question 24

Which of the following usually characterizes the population pyramid of a less developed country?

Accepted Answer

a large number of children

Answer

a large number of older people

Answer

more middle-aged men than middle-aged women

Answer

more young women than young men

Answer

more middle-aged people than young people

Question 25

Define population density and distribution.

Accepted Answer

The average number of people in a given unit area and how a population is spread over an area.

Answer

The number of houses per square kilometre and urbanisation rates.

Answer

Where people live on the surface of the earth.

Answer

The number of a people in a country and where they are situated.

Answer

The amount of farmable land and how a population is spread over an area.

Question 26

The movement of organisms into a range is called

Accepted Answer

immigration.

Answer

emigration.

Answer

population shift.

Answer

carrying capacity.

Question 27

Something that controls the growth or size of a population is

Accepted Answer

a limiting factor.

Answer

a growth factor.

Answer

the carrying capacity.

Answer

the growth rate.

Question 28

The pattern of spacing between individuals across the range of a population is its

Accepted Answer

distribution.

Answer

growth rate.

Answer

density.

Answer

habitat.

Question 29

Which of the following could describe a population that is decreasing in size?

Accepted Answer

The death rate is becoming higher than the birthrate?

Answer

The birthrate and the death rate remain the same.

Answer

The death rate is becoming lower than the birthrate.

Answer

The death rate is constant and the birthrate is increasing.

Question 30

In a logistic growth curve, exponential growth is the phase in which the population

Accepted Answer

grows quickly.

Answer

reaches carrying capacity.

Answer

growth begins to slow down.

Answer

growth stops.

Question 31

If a population grows larger than the carrying capacity of the environment, which of these is most likely to happen?

Accepted Answer

The death rate may rise.

Answer

The birthrate may rise.

Answer

The death rate must fall.

Answer

The birthrate must fall.

Question 32

Which is a biotic factor that affects the size of a population in a specific ecosystem?

Accepted Answer

number and kinds of predators in the ecosystem.

Answer

average temperature of the ecosystem.

Answer

type of soil in the ecosystem.

Answer

concentration of oxygen in the ecosystem.

Question 33

There are 150 Saguaro cactus plants per square kilometer in a 10-square-kilometer area of Arizona desert. To which population characteristic does this information refer?

Accepted Answer

population density

Answer

age structure

Answer

growth rate

Answer

geographic range

Question 34

Suppose that a species of toad is introduced into a new environment in an attempt to reduce the population of insects. The toad has no natural predators in the new environment. The toad population would most likely

Accepted Answer

increase exponentially.

Answer

increase logistically.

Answer

decrease rapidly and die out.

Answer

remain the same.

Question 35

Which of the following statements best defines population distribution?

Accepted Answer

Where people are living and how spread out or close together they are

Answer

The total number of people living in an area

Answer

The average number of people living in a certain area

Question 36

Which factor affects population distribution?

Accepted Answer

Climate, resources, economic opportunities, and political stability

Answer

Religion, language, culture, and ethnicity

Answer

Geography, history, demography, and urbanization

Answer

Education, healthcare, transportation, and technology

Question 37

What are the consequences of population distribution?

Accepted Answer

Availability of resources, social and economic development, infrastructure planning, and environmental impact

Answer

Increased social inequality, decreased infrastructure planning, and increased strain on public services

Answer

Decreased availability of resources, decreased economic development, and increased environmental impact

Answer

Decreased crime rates, improved healthcare, and increased job opportunities

Question 38

What is the carrying capacity of the following graph?

Accepted Answer

1000

Answer

8000

Answer

800

Answer

600

Question 39

The most common distribution pattern

Accepted Answer

clumped

Answer

logistic

Answer

uniform

Answer

random

Question 40

If there are 20 birds in an area that measures 10 square kilometers (km2), what is the bird's population density?

Accepted Answer

2 birds/km2

Answer

200 birds/km2

Answer

10 birds/km2

Answer

5 birds/km2

Question 41

Organisms that hunt together and/or help defend each other from predators will probably show a _ distribution pattern.

Accepted Answer

clumped

Answer

random

Answer

uniform

Answer

none of these

Question 42

An example of secondary succession

Accepted Answer

Forest fire

Answer

glaciers retreating

Answer

volcanic eruption

Question 43

The relationship between a flower and the insect that feeds on its nectar is an example of

Accepted Answer

mutualism

Answer

commensalism

Answer

parasitism

Answer

immigration

Question 44

The relationship between a flower and the insect that feeds on its nectar is an example of

Accepted Answer

mutualism

Answer

commensalism

Answer

parasitism

Answer

immigration

Question 45

A symbiotic relationship between organisms where one benefits and the other is harmed

Accepted Answer

parasitism

Answer

commensalism

Answer

mutualism

Question 46

500 people live in Clarksdale, MS. The town covers 4.3 square kilometers. What is the population of Clarksdale, MS?

Accepted Answer

500

Answer

4.3

Answer

5,000

Answer

43

Question 47

500 people live in Clarksdale, MS. The town covers 4.3 square kilometers. What is the population density of Clarksdale, MS?

Accepted Answer

116.3 people/km2

Answer

0.0086 people/km2

Answer

2150 people/km2

Answer

90.4 people/km2

Question 48

What is a community?

Accepted Answer

all the different populations living together in an area

Answer

One individual of a species

Answer

a group of individuals living together in an area

Answer

different communities and their physical environment

Question 49

What factor describes when populations increase because animals are moving into a population?

Accepted Answer

Immigration

Answer

Emigration

Answer

Limiting Factors

Answer

Exponential Growth

Question 50

What are the three types of distribution patterns?

Accepted Answer

uniform, clumped, random

Answer

uniform, uneven, random

Answer

uneven, clumped, random

Answer

uniform, clumped, uneven

Question 51

The most commonly seen population distribution pattern. This pattern can be caused because needed resources are also unequally spread across their habitat.

Example: wolves live in packs.

What is this pattern called?

Accepted Answer

Clumped

Answer

Random

Answer

Uniform

Answer

Uneven

Question 52

Which of the following would NOT be an example of a density-dependent limiting factor?

Accepted Answer

hurricane

Answer

disease

Answer

lack of food

Answer

lack of space for nests

Question 53

Which of the following is a density-independent factor?

Accepted Answer

natural disasters

Answer

competition for resources

Answer

predation

Answer

disease

Question 54

A population of 100 bears experience the following changes in a year:

20 births, 15 deaths, 10 emigrants, and 2 immigrants.

What is the new bear population?

Accepted Answer

97

Answer

-3

Answer

+3

Answer

103

Question 55

There are 200 ants on my kitchen counters. My kitchen counters have an area of 50 square feet. What is the population density of ants on my counters?

Accepted Answer

4 ants / sq ft

Answer

4 sq ft /ant

Answer

0.25 ants/sq ft

Answer

1000 ants

Question 56

Connecticut has a population of 3,552,821 people and a land area of 14,357 km2.

Colorado has a population of 5,893,634 people and a land area of 269,601 km2. What is true? (calculators allowed)

Accepted Answer

Colorado has a LARGER population but a lower population density.

Answer

Colorado has a LARGER population and a HIGHER population density.

Answer

Colorado has a smaller population but a HIGHER population density.

Answer

Colorado has a smaller population and a lower population density.

Human Population

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