Study and Learn with 1000s of Biology MCQs
Population Ecology MCQs
Each group of organisms of the same species living in the same area forms _
Community
Specie
family
population
population
Measure of organisms occupying a specific area is called?
Community volume
Speciedensity
Family density
Population density
Population density
Population ecologists use the term __ to describe the distribution of a population throughout a certain area.
community
dispersion
habitat
None of these
dispersion
Populations disperse in _ main ways in an ecosystem
3
12
6
8
3
In _, most organisms are clustered together with few organisms in between
Uniform dispersion
Random dispersion
Clumped dispersion
All of these
Clumped dispersion
In _, Uniformly dispersed organisms are spread evenly throughout an area
Uniform dispersion
Random dispersion
Clumped dispersion
All of these
Uniform dispersion
In _, one place in the area is as good as any other for finding the organism
Uniform dispersion
Random dispersion
Clumped dispersion
All of these
Random dispersion
Types of population dispersion involve _?
Uniform dispersion
Random dispersion
Clumped dispersion
All of these
All of these
Grapevines in a vineyard and rows of corn plants in a field are examples of _
Uniform dispersion
Random dispersion
Clumped dispersion
All of these
Uniform dispersion
people in New York City is an example of _
Uniform dispersion
Random dispersion
Clumped dispersion
All of these
Clumped dispersion
Examples of clumped dispersion include _
people in New York City
bees in a hive
ants in a hill
All of these
All of these
_ are changes in population density over time or in a particular area
Population dynamics
Population statics
Population dispersion
None of these
Population dynamics
Age-structure diagrams are called?
Community circles
Population parallellogram
population pyramids
Population density curves
population pyramids
A __-shaped age-structure diagram indicates the population is growing rapidly
Cube
Sphere
square
pyramid
pyramid
A pyramid-shaped age-structure diagram indicates the population is?
decreasing in size
relatively stable
growing rapidly
None of these
growing rapidly
A _ shaped age-structure diagram indicates the population is relatively stable
Cube
evenly
square
pyramid
evenly
A evenly shaped age-structure diagram indicates the population is
decreasing in size
relatively stable
growing rapidly
None of these
relatively stable
An age-structure diagram that has a smaller base than middle portion indicates the population is?
decreasing in size
relatively stable
growing rapidly
None of these
decreasing in size
the study of birth, death, and movement rates that cause change in populations is called?
spectroscopy
Demography
chromatography
optics
Demography
_ types of survivorship exist in an ecosystem
11
3
4
6
3
In _ survivorship, Most offspring survive, and organisms live out most of their life span, dying in old age
Type I
Type III
Type II
None of these
Type I
In _ survivorship, Death occurs randomly throughout the life span, usually due to predation or disease
Type I
Type III
Type II
None of these
Type II
Mice have _ survivorship
Type I
Type III
Type II
None of these
Type II
Humans have _ survivorship
Type I
Type III
Type II
None of these
Type I
In _ survivorship, Most organisms die young, and few members of the population survive to reproductive age.
Type I
Type III
Type II
None of these
Type III
