WorksheetsPopulation Ecology Review
Total questions: 31
Worksheet time: 20mins
Name
Class
Date
1.
What type of growth model is this?
a)
exponential growth model
b)
logistic growth model
c)
Type I curve
d)
Type III curve
2.
What is the approximate population of men age 65-69 in the US in 2014? (see pyramid)
a)
7.5 million
b)
10.5 million
c)
5 million
d)
12 million
3.
What is the name of the diagram shown?
a)
Logistic growth
b)
Exponential growth
c)
Agre structure diagram
d)
Gender graphs
4.
Largest number of individuals of a population that the environment can support
a)
carrying capacity
b)
primary succession
c)
denitrification
d)
mutualism
5.
This is what happens as a population approaches carrying capacity and individual organisms from the population leave and go to a new area where they can find enough resources for survival and reproduction?
a)
Competition
b)
Predation
c)
Emigration
d)
Immigration
6.
What do you call a period of rapid growth?
a)
Exponential growth
b)
Logistic growth
c)
Emigration
d)
Mortality
7.
Which of the following words means death rate?
a)
Natality
b)
Mortality
c)
Emigration
d)
Immigration
8.
Many members of one species in an area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
9.
Organisms move into a new area
a)
Competition
b)
Predation
c)
Emigration
d)
Immigration
10.
An environmental factor such as predation, disease, and competition that depends on the number of members in a population per unit
a)
dispersion
b)
density- independent factor
c)
density- dependent factor
d)
population growth rate
11.
An environmental factor such as storms and extreme heat or cold that affects population regardless of their density
a)
density- dependent factor
b)
population density
c)
dispersion
d)
density- independent factor
12.
Population numbers get too large for the environment to support it and growth slows
a)
Exponential growth
b)
Logistic growth
c)
Natality
d)
Emigration
13.
Any factor that limits population growth
a)
Limiting Factor
b)
Immigration
c)
Succession
d)
Abiotic Factor
14.
One reason predators might increase is
a)
The weather is warmer
b)
Parasites have increased
c)
The prey have increased
d)
Food has decreased
15.
When a population has reached carrying capacity
a)
Growth & Immigration are equal to Death & emigration
b)
Growth & Immigration are less than Death & emigration
c)
Growth & Immigration are greater than Death & emigration
d)
Growth is exponential
16.
The distribution where individuals are attracted to areas with the greatest availability of food or shelter or distribution when individuals travel in groups.
a)
logistic
b)
clumping
c)
random
d)
uniform
17.
__________ growth shows growth of a population under environmental constraints (carrying capacity-K) that sets a maximum population size
a)
logistic
b)
exponential
c)
niche
d)
uniform
18.
What might happen if the earth exceeds its carrying capacity?
a)
There might not be room for people to move around
b)
The continents might sink into the oceans
c)
There might not be enough food or water for everyone
d)
Most of the people on the planet would starve
19.
Which of the following describes a population?
a)
The total number of people, animals, and plants in New York City
b)
The total number of houses in Atlanta
c)
The total number of people living in the state of Texas
d)
The total number of fish in all the world's oceans
20.
Before 1800, the infant mortality rate was much higher than it is now. What does that mean?
a)
People didn't have a lot of babies before 1800
b)
Children did not grow very tall before 1800
c)
Most women were unable to have babies before 1800
d)
A lot more babies died during childhood before 1800
21.
Which of the following is not a density-dependent factor?
a)
Disease
b)
Food supply
c)
Predation
d)
Rainfall
22.
How can population growth lead to more pollution
a)
Too many people breathing causes too much carbon dioxide to enter the atmosphere
b)
The body heat generated by billions of people leads to an increase in global warming
c)
More people being born means more paper is needed to print birth certificates
d)
All people produce waste, so more people equals more waste
23.
What type of dispersion is shown in the picture?
a)
Uniform
b)
Random
c)
Clumped
d)
Multi
24.
Which of the following terms best describes the current rate of world population growth?
a)
Slack
b)
Leisurely
c)
Gradual
d)
Rapid
25.
What is the approximate population of our world?
a)
6.7 million
b)
4.3 billion
c)
7.2 billion
d)
7 trillion
26.
Which of the following is NOT one of the reasons the world's population skyrocketed?
a)
better sanitation practices
b)
people didn't want families before
c)
better methods to make and obtain food
d)
healthcare was more accessible
27.
If a country has a death rate of 30 and a birth rate of 45 the natural rate of increase would show the population is ______.
a)
Increasing
b)
Decreasing
c)
Staying the same
d)
Fluctuating too much
28.
This measures the number of individuals in a population per unit of area.
a)
Population density
b)
Population Size
c)
Population Growth
d)
Biodiversity
29.
Population A has a population density of 652 people per square mile. Population B has a population density of 17 people per square mile. Which population is at higher risk of a disease outbreak?
a)
A
b)
B
c)
Equal chances
d)
No way to know
30.
Dandelion seeds being blown by the wind would be examples of what type of dispersion?
a)
Clumped
b)
Random
c)
Uniform
d)
Multi
31.
Which of the following is not a density-indpendent factor
a)
Tornado
b)
Drought
c)
Fire
d)
Disease
100 %
