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WorksheetsPopulations
Total questions: 41
Worksheet time: 37mins
Name
Class
Date
1.
There are several methods to determine the size of a population. One method counts the number of the organisms. What is this method called?
a)
Sampling
b)
Indirect sampling
c)
Direct method
d)
Off-hand sampling
2.
What kind of population distribution would this picture represent?
a)
Random
b)
Uniform
c)
Clumped
d)
Positioned
3.
What kind of population distribution would the picture represent?
a)
Random
b)
Uniform
c)
Clumped
d)
Positioned
4.
What kind of Population distribution would the picture represent?
a)
Random
b)
Uniform
c)
Clumped
d)
Positioned
5.
Why do larger organisms have lower population densities?
a)
Because the ecosystem is not as productive.
b)
Because they require more space for resources
c)
Because they have high metabolic rates.
d)
Because they serve as food for Tyrannosaurus rex
6.
Population Density is the number of individuals of a particular species per __________ in a given ecosystem
a)
unit area
b)
place
c)
hour
d)
time squared
7.
Population density (D) is calculated by
a)
Number of individuals divided by area
b)
Number of individuals times area
c)
Area divided by number of individuals
d)
Number of individuals plus area
8.
The maximum number of individuals of a species that can be supported by an ecosystem is called
a)
limiting factors
b)
carrying capacity
c)
population density
d)
predator/prey
9.
Which is NOT a density independent factor?
a)
weather
b)
climate
c)
natural disaster
d)
predation
10.
What role does the mouse play?
a)
Predator
b)
Prey
11.
What does the graph represent?
a)
Emigration
b)
Exponential growth
c)
Immigration
d)
Logistic Growth
12.
What factor describes when populations decrease because animals are moving out of a population?
a)
Emigration
b)
Limiting Factors
c)
Immigration
d)
Exponential Growth
13.
What factor describes when populations increase because animals are moving into a population?
a)
Emigration
b)
Limiting Factors
c)
Immigration
d)
Exponential Growth
14.
Logistic growth has 3 phases. In Phase 1, the population grows rapidly. In Phase 2, population grows slowly. In Phase 3, growth stops. What causes growth to stop in the 3rd phase of logistic growth?
a)
Emigration
b)
Immigration
c)
Exponential Growth
d)
Carrying Capacity
15.
True or False: Limiting factors can be population dependent and population independent.
a)
True
b)
False
16.
Which limiting factor would increase due to the number of individuals in a population?
a)
Unusual weather
b)
Natural disaster
c)
forest fires
d)
Disease
17.
Which limiting factor is independent of the number of individuals in a population?
a)
competition
b)
parasitism/disease
c)
stress
d)
natural disasters
18.
Which kind of growth does the human population follow? It is described as a J-shaped curve.
a)
Exponential Growth
b)
Logistic Growth
c)
Outstanding Growth
d)
Minimal Growth
19.
Which dispersion pattern is described by organisms being spaced out equally?
a)
Uniform
b)
Random
c)
Clumped
d)
None of these
20.
Which dispersion pattern usually is a result of resources not being evenly spread out in the environment?
a)
Uniform
b)
Random
c)
Clumped
d)
None of these
21.
What will happen to the population when the death rate is larger than the birth rate?
a)
grow
b)
shrink
c)
stay the same
d)
None of these
22.
What will happen to the population when the birth rate is larger than the death rate?
a)
grow
b)
shrink
c)
stay the same
23.
Which survivorship curve represents a species where most of the individuals live through their lives and die of old age?
a)
Type 1
b)
Type 2
c)
Type 3
24.
The graph of logistic growth can be described as...
a)
S-shaped
b)
J-shaped
c)
W-shaped
d)
U-shaped
25.
What is the name of the diagram.
a)
Gender/age structure diagram
b)
Gender structure diagram
c)
Year/ age structure diagram
d)
Age structure diagram
26.
How would you describe the population in this diagram?
a)
Declining
b)
Stable
c)
Growing
d)
Non of these
27.
How would you describe the population in the diagram?
a)
Declining
b)
Stable
c)
Growing
d)
Non of the above
28.
Use the equation below to calculate the population.
18 organism were born during the year and 10 died. 5 new organisms came into the population but 7 left
(Natality + Immigration) – (Mortality + emigration)
18 organism were born during the year and 10 died. 5 new organisms came into the population but 7 left
(Natality + Immigration) – (Mortality + emigration)
a)
177
b)
6
c)
10
d)
The population cannot be determined
29.
Which method of determining the size of a population would you use for an organism that lives in a secluded place and is hard to spot.
a)
Direct method
b)
Sampling
c)
Indirect method
30.
_______________ Potential is the ability to produce maximum offspring in ideal conditions.
a)
Abiotic
b)
Maximum
c)
Intrinsic
d)
Biotic
31.
The time for an embryo or fetus to develop and be born is called
a)
gestation period
b)
Generation Time
c)
Growth period
d)
Idonknow
32.
Organisms with a high biotic potential recover quickly from _____ _______
a)
head rushes
b)
population declines
c)
Population increases
d)
Idonknow
33.
Which of a following lead to a longivity of life and also a lower Death rate for humans.
a)
plagues
b)
World Wars
c)
Sanitation and medical care
d)
happy wifes
34.
Which of the following lead to a more reliable food supply and also a less rigorous life style.
a)
Nomadic life
b)
Agriculture
c)
traveling from one food supply to the next
d)
cats
35.
A dramatic shift from a high birth rate and death rate to a low birth rate and death rate
a)
demography
b)
age structure diagram
c)
demographic transition
d)
demographic tranlation
36.
The Scientific study of human populations is known as
a)
human population counts
b)
humanography
c)
demography
d)
popography
37.
Which of the following would not be a density independent factor?
a)
Fires
b)
Floods
c)
Extreme cold
d)
competition
38.
How would you describe the population in the diagram?
a)
Declining
b)
Stable
c)
Growing
d)
House shaped
39.
Organisms are arranged according to resource availability in what kind of population distribution
a)
clumped
b)
uniform
c)
random
d)
randomuniformclumped
40.
What type of organisms would have a large number of the young die?
a)
Type I
b)
Type II
c)
Type III
d)
Type IV
41.
The time from birth to organisms producing their own offspring is called __________
a)
Biotic potential
b)
Gestation period
c)
Generation time
d)
Squishy thingy stuff
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