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WorksheetsCH 5 Populations
Total questions: 23
Worksheet time: 12mins
Name
Class
Date
1.
The area inhabited by a population is
a)
geographic range
b)
age structure
2.
________ _______ refers to the individuals per unit area.
a)
population density
b)
growth rate
3.
This refers to how individuals are spaced out across the range
a)
population distribution
b)
geographic range
4.
___________ _____________ determines whether a population increases, decreases, or stays the same.
a)
immigration
b)
growth rate
5.
____________ ___________--the number of males and females of an age a population contains.
a)
population density
b)
age structure
6.
birth rate and ________ rate--populations can grow if more individuals are born than die at any period of time.
a)
death
b)
age
7.
If the death rate of a population is greater than the birthrate then the population will
a)
decrease
b)
increase
8.
If a predator eats more of its prey than are born, the population will _______.
a)
increase
b)
decrease
9.
________________ can limit the size of populations by weakening their hosts, resulting in disease or death
a)
parasites
b)
competition
10.
_________________ is the movement of individuals into an area
a)
immigration
b)
emigration
11.
__________________ movement of individuals out of an area.
a)
emigration
b)
immigration
12.
The largest number of individuals that the environment can support
a)
carrying capactiy
b)
limiting factor
13.
The death rate becoming higher than the birthrate would describe a population that is decreasing in size.
a)
true
b)
false
14.
something that controls the growth or size of a population is a _____________ ___________.
a)
limiting factor
b)
contributing factor
15.
one limiting factor is competition
a)
true
b)
false
16.
another limiting factor is predation
a)
true
b)
false
17.
limiting factor that depends on population size
a)
density dependent
b)
density independent
18.
factors that affect all populations regardless of size
a)
density independent
b)
density dependent
19.
Examples of density dependent are: competition, __________, and parasitism
a)
predation
b)
weather
20.
examples of density independent are: weather, natural disasters, __________, human activities
a)
seasons
b)
competition
21.
Without any limiting factors, a population will grow exponentially.
a)
true
b)
false
22.
study of human population
a)
demography
b)
ecology
23.
predation is an example of density _________
a)
dependent
b)
independent
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