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WorksheetsPopulation and Population Limits
Total questions: 23
Worksheet time: 17mins
Name
Class
Date
1.
What will happen to the population when the death rate is larger than the birth rate?
a)
grow
b)
shrink
c)
stay the same
2.
What will happen to the population when the birth rate is larger than the death rate?
a)
grow
b)
shrink
c)
stay the same
3.
There is a flock of 21 birds. 3 birds immigrate to the flock but 9 emigrate.
a)
grow; 15 birds in the end
b)
shrink; 15 birds in the end
c)
grow; 27 birds in the end
d)
shrink; 27 birds in the end
4.
There is a herd of 45 cattle. 1 is born and 2 die. 6 emigrate to another farm and 3 immigrate to the herd.
a)
shrink; 41
b)
grow; 41
c)
grow; 47
d)
shrink; 47
5.
What type of growth is represented behind?
a)
exponential
b)
logistics
c)
a good kind
d)
representative
6.
During "oh, deer", what caused the population of deer to decrease?
a)
Not enough resources were available
b)
Too many resources were available
c)
Predation
d)
Mutualism
7.
During "oh, deer", what caused the population of deer to increase?
a)
Not enough resources were available
b)
Plenty of resources were available
c)
Predation
d)
Mutualism
8.
Which of the following is an EXAMPLE of a density-dependent limiting factor?
a)
Water
b)
Major flood.
c)
Migration
d)
Thick fur
9.
The number of individuals a habitat can sustain with the resources it has available
a)
Carrying capacity
b)
Limiting factors
c)
Resources
d)
Population
10.
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
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.
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
13.
What does a limiting factor do?
a)
makes a population grow large
b)
stops a population from growing large
c)
helps organisms adapt to abiotic factors
d)
provides geographical boundaries for migration
14.
In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?
a)
Squirrel Population
b)
Sunlight
c)
Grass available
15.
Which of the following is TRUE of predator/prey relationships?
a)
The amount of prey does not affect the number of predators.
b)
Herbivores are limited by the number of prey in an ecosystem.
c)
Humans are not considered predators.
d)
The number of predators is determined by available prey.
16.
Which limiting factor is independent of the number of individuals in a population?
a)
competition
b)
parasitism/disease
c)
stress
d)
natural disasters
17.
Which limiting factor would increase due to the number of individuals in a population?
a)
Unusual weather
b)
Natural disaster
c)
Births
d)
Disease
18.
What kind of factor: temperature?
a)
density-independent
b)
density-dependent
19.
What kind of factor: predation?
a)
density-independent
b)
density-dependent
20.
What kind of factor: flood?
a)
density-independent
b)
density-dependent
21.
Will competition increase/decrease the carrying capacity of an ecosystem for the animal in competition?
a)
Decrease
b)
Increase
22.
What do you call a period of rapid growth?
a)
exponential growth
b)
logistic growth
c)
emigration
d)
predator-prey cycle
23.
Type of growth that occurs when disease and parasites are present...
a)
exponential
b)
J-shaped
c)
predator-prey
d)
logistic
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